mars bar

Excrement, or pertaining to defecation.

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

by Dunky Oggins November 21, 2003

mars bar

ed carrick a tanned friend of mine

hey mars bar come here

by efe February 2, 2004

"mars bar"

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

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

by Brian S Smith August 3, 2007

mars bar

the thing in my hoodie pocket

by lol September 16, 2003

mars bar

A disgusting, revolting ,shitty snack that is loved by jerks and retards

Jerk: mmmmm mars bar

by jj September 28, 2003

Mars Bar Surprise

The art of shitting into a condom, freezing it, then inserting it into another persons anus during coitus.

Person 1: You'll never guess what I did last night..
Person 2: What was that?
Person 1: I gave the missus a Mars Bar Surprise.

by farmer01631 July 8, 2012

Mars bar

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