Tune in for the Smile Secret Sound every weekday morning on Smile Breakfast with Bobby and Lindy. They’ll take your guesses at 07:20 and 08:20.  Correctly identify the Smile Secret Sound and they’ll give you a share of the R100 000 in prize money.


 Terms & Conditions:

  • Competition entry is open to all South Africans, residing in South Africa
  • Entry is only by means of phone-ins during official competition times
  • A cash prize won by any person under the age of 18, must be received by their parent/s or legal guardian
  • No person who has won a prize to the value of R1000 or more on Smile 90.4FM, may enter within 30 days of winning such prize
  • No person will be allowed to win more than once in the competition
  • All Smile 90.4FM General Contest Guidelines apply


Previous guesses:

Smile Secret Sound – January – view all the guesses 

Smile Secret Sound – February – view all the guesses 

Smile S ecret Sound – March – view all the guesses 

Smile Secret Sound – April – view all the guesses 

Smile Secret Sound – May – view all the guesses 

Smile Secret Sound – June – view all the guesses

Smile Secret Sound – July – View all the guesses 

Smile Secret Sound – August – View all the guesses


Friday 1 September 

  • Popping a bubble wrap bubble
  • Padlock closing
  • Airplane taking off
  • Locking an iPhone screen
  • Double click on a calculator 
  • Flashing car headlights
  • Pressing the shift key on a keyboard
  • Universal water pump’s pliers 
  • Cheese cracker cracking
  • Breaking an egg
  • Stapling paper
  • Changing a disk on a jukebox 


Monday 4 September 

  • Pill popped out of a blister pack
  • Tap dance shoe
  • Breaking a piece of biltong
  • Clipping a mixing glass into a NutriBullet
  • Changing gears on bicycle 
  • Stepping on a hard surface


Tuesday 5 September

  • Old school jukebox selecting a tune
  • Tape deck
  • Scissors opening and closing 
  • Dropping a slinky on the ground
  • Flamenco dancer’s castanets 
  • Opening the lid on a tin can


Wednesday 6 September 

  • Opening the lid on an old jam jar
  • Two metal objects touching each other 
  • (no guess)
  • Clapping hands together and then clapping your thigh 
  • Scissors cutting quickly
  • Clicking of a butterfly lens cover


Thursday 7 September 

  • Tapping your nails on a wooden surface
  • Unwrapping a toffee 
  • Seal of a jar popping 
  • Safety pin on a washing machine 
  • Glow stick breaking 
  • Drop of rain
  • Opening a screw top wine bottle


Friday 8 September 

  • Stepping on a branch
  • Nunchucks 
  • Latch click
  • Tapping your nails on a metal surface
  • Double down click
  • Opening a beer can


Monday 11 September 

  • Initial click of a fire extinguisher
  • J&M Biltong cutting machine blades stopping
  • Stopping a skateboard 
  • Perfume bottle cap being put back
  • Automatic air-freshener dispenser 
  • Piece of a hosepipe clicking in 
  • Dropping a pair of scissors
  • Sound a gaming machine makes when you’ve won
  • The sound an ATM machine makes when it ejects a card
  • Clicking of a Parker ballpoint pen


Tuesday 12 September 

  • Old typewriter
  • Upholstery staple gun
  • Raindrops on a window
  • Pressure release on a  tourniquet
  • Car remote clicking
  • Knuckle clicking
  • An earth-leakage switch
  • Pulling the tab off when opening a long-life milk carton
  • A reusable clip gun that sticks paper together
  • A nut cracker


Wednesday 13 September

  • Price tag ejecting from a food scale at a shop
  • Twisting open a bottle of wine
  • Coin going into a vending machine
  • Snapping a yogurt pack 
  • Sliding door closing 
  • Shuffling a deck of cards
  • Garden clippers cutting through a twig
  • Pushing the butterfly onto an earring
  • An old telegraph machine
  • The crackling of a fire


Thursday 14 September

  • Cutting a cigar 
  • Glucometer
  • Spring loaded door of a vanity cupboard opening
  • Nails tapping on water
  • Geyser getting switched on 
  • Window blind closing 
  • Closing the nozzle on a gym water bottle
  • A rattle drum
  • Striking a match on a matchbox
  • Printing machine mechanism that feeds paper


Friday 15 September

  • Tweezer
  • Lamp chord being pulled
  • Kimble gun 
  • Slide projector 
  • Taking you car key out of the ignition 
  • Dimmer light switch
  • Water dripping on a surface
  • A tap dancer’s shoes
  • Pressing an elevator button
  • A ticket conductor’s clippers


Monday 18 September 

  • Insect Zapper light 
  • Biltong cutting block 
  • Unlocking a cellphone 
  • Sealing a plastic bag at a shopping centre 
  • Clicker device 
  • Shaking a rechargeable torch
  • Train changing tracks
  • Nail-clipper
  • Safety belt
  • Butchery biltong packet vacuum
  • Breaking a sugar packet 
  • Orthodontist pulling the wire through braces 
  • Old cash till button
  • Traffic camera flashing 


Tuesday 19 Septemebr

  • Opening the lid of a polystyrene bucket
  • Hooking a trailer onto a tow-bar
  • The clip on a wallet or a purse
  • Opening and closing a pocket knife
  • Inserting or ejecting an old floppy disk
  • Water falling in a rain tank  


Wednesday 20 September

  • Apple mac e-mail 
  • Dimmer light switch 
  • Foot switch for a lamp 
  • Cocktail shaker 
  • Unfolding a walking stick
  • Nut cracker


Thursday 21 September

  • Hitting a snooker ball into a pocket
  • Eye test slide machine clicking over
  • Computer mouse
  • Old singer sewing machine
  • Opening a packet
  • Lego block clipping into another
  • Studio microphone switching on 
  • Inserting a CD into a CD player 


Friday 22 September

  • Ear piercing sound
  • A computer power button being pressed
  • Bug zapper
  • Opening an umbrella
  • Studio microphone being switched on
  • Hotel lamp switch 


Tuesday 26 September 

  • Breaking the vacuum seal on a tennis ball canister 
  • Clip on a suitcase 
  • Gear lock clicking on
  • Playing with spoons
  • Dropping marbles on each other
  • Clip on a landline phone 
  • (no guess) 
  • A tally counter used in a survey
  • Breaking and shaking a glow-stick
  • Shaking a Tic-Tac breath mint container with mints inside


Wednesday 27 September

  • Unlocking a pattern password on a Samsung cellphone
  • Old typewriter
  • Flappers of a pin ball machine
  • Magnetic shelf protector 
  • Second hand on a wrist watch
  • (no guess)
  • The spring on a trampoline
  • The lever on the side of an old typewriter
  • Changing pictures on a View Master
  • A globe that is fusing


Thursday 28 Spetember

  • Castanets
  • A sliding pirate monocular
  • Opening a can of Red Bull 
  • Conductors money belt
  • Chain on a block and tackle 
  • Pushing the button to pump water out of a thermos 
  • A pair of handcuffs
  • Chattering teeth
  • Switching an electric blanket on and off
  • The stylus of an old gramophone


Friday 29 September

  • Unclipping a baby’s car seat
  • Russian dolls being taken apart 
  • Newton’s cradle
  • Pressing control, alt and delete on a computer keyboard 
  • Opening a coke tin
  • Old briefcase clip
  • Eyelet punch
  • An electric fly zapper
  • Stapling into foil
  • Sound of tap closing in a radio ad
  • Plugging the hardware into a broadcast console


Monday 2 October

  • Stapler
  • Clicker counter
  • Throwing a dice in a game of graps
  • Throwing a coin into an old parking meter
  • Pulling the rope on a ceiling fan
  • Double clicking your fingers, followed by a clap


Tuesday 3 October

  • Gas stove being switched on
  • Ariel that makes contact with a wire in a bumper car
  • Cup holder in a car
  • Knife cutting a piece of watermelon 
  • Step or jump on a powerstrider 
  • Clicking of a safety harness when going bungee jumping 


Wednesday 4 October

  • Spring loaded ice cream spoon
  • (no guess)
  • Computer mouse
  • Taking a photo
  • Gun being cocked 
  • Closing a cylinder on a revolver after loading


Thursday 5 October

  • Opening a locket
  • Children’s toy – Two sticks that your rub together with your hands and then the balls hit each other 
  • Clipping a dog leash onto the collar 
  • Pop rivet gun – putting a number plate on 
  • Self inking stamp
  • Straw being pushed through a soft drink container


Friday 6 October

  • Arms of sunglasses folding back
  • Effervescent tablets shaking
  • Closing a hair clip shaped like a crocodile 
  • Turnstile as you walk through 
  • Aluminium measuring tape
  • Gold club making contact with a golf ball


Monday 9 October

  • Lowering your bonnet and it clicking it in
  • Ratchet strap
  • Sprinkler system on a sports field clicking back
  • Pressing a lift button
  • Snackbox opening 
  • Clicking sound a fan makes
  • A clock in card being punched in at work


Tuesday 10 October

  • DVD popping out a case 
  • Crushing a Coca Cola tin
  • Safety belt clicking 
  • Bolt between stable doors
  • Pulling a bedside lamp string 
  • Seat belt clipping in 


Wednesday 11 October

  • Plugging a mic-jack into a mic
  • Pistol hammer being pulled back
  • Clicking your tongue on the roof of your mouth
  • Latch on a door
  • Adjusting a crutch 
  • The sound of Guillotine blade being lifted up 


Thursday 12 October

  • ATM machine dispensing your card 
  • Window blinds
  • Dropping a coffee capsule into a coffee maker 
  • Unclicking a safety-belt on an airplane 
  • (no guess)
  • Unclicking a car safety-belt 


Friday 13 October

  • Opening and closing a curtain
  • Old school tiekie box 
  • An ATM machine dispensing your card
  • J&M beef droëwors being snapped in half
  • Popping sound of a compressed container 
  • Clipping sound when opening a briefcase 
  • Price-tag gun
  • Unclipping the back of cellphone to replace the battery 


Monday 16 October

  • Pushing the led down on a pacer pencil
  • An old television remote
  • Clicking sound of a metal strap watch 
  • Cutter blade
  • Car ignition switch
  • Potato chip breaking 


Tuesday 17 October

  • Biting into an apple
  • Retronome
  • Clipping your nails with a nail-clipper
  • Sharpening a butchers-knife 
  • Welding machine 
  • Clipping sound of an airplane seat-belt 

Wednesday 18 October

  • Unlocking a vault
  • File arch lever clipping in
  • Clicking sound when pressing a TV button 
  • Time-switch on a fridge.
  • Gas stove switch
  • Cracking an ice lolly in half


Thursday 19 October

  • Shaking a Tippex bottle
  • Biting into a raw carrot 
  • Pulling the string on an old light switch
  • Bus conductor’s coin dispenser 
  • Old price tag gun
  • Coins being stacked on top of each other 


Friday 20 October

  • Pulling two wooden chopsticks apart 
  • Plastic drinking straw with an adjustable top
  • Playing the game ‘Tiddlywinks’
  • A revolver shooting blanks 
  • A catch lock
  • Clicking sound of a Bic pen


Monday 23 October

  • Closing the lid of a bread container 
  • Clicking sound of a petrol pump 
  • Snapping your left, right hand and hitting the palm of your hand with your fist 
  • Opening a safe 
  • Peeling the vacuum packed cover off a tin
  • Tapping a spoon against the lid of a pressure cooker 





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