There's a very fine line between a practical joke and taking things too far, as a new gallery of images shows.
What some people find nerve-gratingly annoying, others think is just dark humour.
Among the myriad of micro crimes caught on camera in this latest gallery of images is the joker who thinks disguising raw brussels sprouts as chocolate is funny…and an employee who takes a bite from a colleague's sandwich and then returns said lunch with a note explaining exactly what they just did.
The images serve as a reminder that pranksters get their kicks when you least expect it; with one showing a toilet that has been shrink-wrapped in cling film – presenting an unpleasant surprise for the next person who gets caught short.
Caught short and caught out! A prankster decides putting cling film on the loo might raise a laugh
That's just macabre! A stack of ready meals – and a creepy frozen doll's head greets the next person to open the door. Right: Love chocolate? Beware the chocolate-covered brussel sprout
On a mission to melt! This unscrupulous sort decided that thawing ice cream would be his crime du jour
Brazen! A hungry employee takes a bite of a sandwich and then fesses up to their act
Comedic? Or just cruel? A dieter returns to find her fridge stuffed with sugary stuff
That's not what I meant! A photoshopper takes a request literally
Sexist Santa! Cringe-worthy Christmas ads from yesteryear…
'This was 100 per cent not my intention': Zoella blames…
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Bursting! And you'll be waiting all day – a mischievous sort drapes a pair of jeans and some shoes on a toilet to make it look permanently occupied
He can't see the lazer dot on his head…but the pooch certainly can
Your drink? A perfect elbow rest for a sports fan
Shuffling paper: Bored colleagues decorate a desk…and then wait for the reaction
Not even hiding it: A cycle thief burns through a lock in broad daylight
Shoe did this? A messy shopper leaves behind carnage in the footwear department
Oh deer: Black humour abounds in this father-son conversation