Bottom burps. Trumps. Fowl Howls. One-man salutes. There are hundreds of silly slang terms to describe farts - each as childishly funny as the things themselves.

Us human are obsessed with passing wind. With doing it, hearing it, attributing blame for it - and making the noise, real or not.

Of all the bodily functions it's literally the one which causes the biggest stink.

Farts even have their own National Day on January 7 (quite rightly hot on the heels of National Bean Day on January 6).

Our mums and dads might try and ban such 'toilet humour' when we're growing up but the funniness of farts is all around us - especially at Christmas when the family tucks into the good ol' Brussels sprouts!

TV and film is full of references to breaking wind and during this festive you can expect to see children of all ages - right up to grown-up big kids - laughing once more at the hilarity of doing so when Sky 1's new family special, Fungus the Bogeyman, airs on December 27 at 6pm.

It's a three-part drama inspired by Raymond Briggs' much-loved tale and stars Timothy Spall as the slimy but friendly farting monster Fungus who normally lives underground and spends his days scaring humans. Timothy said: "Even though he is a snot-ridden, farting monster, he is actually quiet, very polite and very decent."

The silliness starts when realise we can

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There's something eternally funny about blowing off - especially for children, and particularly boys. We grow up giggling at guffing from the moment we surprise ourselves with the God-given ability.

Then we learn how to do this...

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Discovering how to create a fart sound with your armpit is one of the rites of passage for every schoolboy. Some throw in an optional palm lick before cupping their armpit and pumping their arm for added grimness. It's like the first party trick you ever learn.

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We then graduate to every prankster schoolboy's go-to tool: the whoopie cushion. It's possibly the most juvenile wind-up on the planet - but you know if it happened today you would still burst out laughing at the blushing victim.

Animals farting can be hilarious too

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Humans aren't the only people at it - our domestic pets provide some classic family moments when they pop. Zoos can also be places for comedy gold as all sorts of animals get us rolling up when they let rip.

TV shows and movies are full of fart scenes

Fungus the Bogeyman promises to bring a bit of flatulence to the festivities this year when the show airs. Here's a sneak peek of the show.

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Fungus joins a hall of shame alongside other trumpers of the small and big screens, from the Austin Powers bathtub scene to the Klump family farting in The Nutty Professor.

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The scene sees Eddie Murphy playing almost the entire table as everybody proudly passes wind at the dinner table.

Even Frozen has a farting parody

Forget Let It Go - Let One Go is the spoof version which has comedy lyrics about soiling princess dresses and enjoying the stink.

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The video has had more than 3million views since it was posted on YouTube. Another popular parper on the video site goes by the name Mr Methane. He's made a name for himself by farting the tunes of famous songs.

Fart fails on live TV are a guaranteed winner

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There's nothing like an attack of the gas to give a news anchor or TV actor the chuckles. And once you've been caught on camera doing your business, your fart fail lives on forever online as your foul-up is shared around the world.

Fungus the Bogeyman - a 'three fart family special' - is on Sky 1 on December 27, 28 and 29. Click here for more info.