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8.
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"
by Mark McKay July 23, 2005
 
9.
Excrement, or pertaining to defecation.
I'm just going to the toilet to do a mars bar.
by Dunky Oggins November 21, 2003
 
10.
that man had a mars bar 'ewww'
by bloxhamtj August 29, 2008
 
11.
also known as "Mars and Venus", cockney slang for a penis, a male sexual organ
I ain't sucking on that tiny Mars bar
by roos_va June 13, 2004
 
12.
A disgusting, revolting ,shitty snack that is loved by jerks and retards
Jerk: mmmmm mars bar
by jj September 28, 2003
 
13.
the thing in my hoodie pocket
by lol September 16, 2003
 
14.
slang word for scar beat that ha!
so how's ben gettin on with his mars bar
by taky drive June 06, 2007