Excrement, or pertaining to defecation.
I'm just going to the toilet to do a mars bar.
av Dunky Oggins 21 november 2003
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"
av Mark McKay 23 juli 2005
A disgusting, revolting ,shitty snack that is loved by jerks and retards
Jerk: mmmmm mars bar
av jj 28 september 2003
also known as "Mars and Venus", cockney slang for a penis, a male sexual organ
I ain't sucking on that tiny Mars bar
av roos_va 13 juni 2004
slang word for scar beat that ha!
so how's ben gettin on with his mars bar
av taky drive 6 juni 2007