"mars bar" 

The area between the anus and the scrotum. Good for sniffing and licking.

I'd like to sniff your "mars bar"!

"mars bar" by Brian S Smith August 3, 2007

Mars Bar

A man who is extremely in love with themselves. They may wear fake tan or go on the sunbeds.

Look at that Mars Bar over there with his fake tan on.

Mars Bar by Funky Gibbon 123 January 22, 2009

mars bar

a chocolate covered sweet bar

mick - "how are you liking this mars bar?"
marrianne - "ooooooooh, ooooooooh, it's LOVELY!"

mars bar by theWestHamfan November 19, 2003

mars bar

Glasgow slang, meaning war wound of the Glasgow Ned. i.e. scar on a face

" Haw you ya prick, al gie you a mars bar oan yer mush if ye geez any mer cheek"

mars bar by Mark McKay August 18, 2005

mars bar

Slang for homosexual man - I don't need to draw you a picture....
Sort of like fudge packer. Nobody needs to picture that. Seriously.

"You're moving to Darlinghurst??!! What, are you a Mars Bar now or something??"

mars bar by sideways April 28, 2004

mars bar

black man in a sleeping bag!

TranTheMan - "What do you call a blackman in a sleeping bar?"
EdTheNed - "i dunno"
TranTheMan - "a mars bar"

mars bar by purple_FANNY May 13, 2007

mars bar

Excrement, or pertaining to defecation.

I'm just going to the toilet to do a mars bar.

mars bar by Dunky Oggins November 21, 2003