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A disgusting, revolting ,shitty snack that is loved by jerks and retards
mars bar by jj September 28, 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
Mars bar by roos_va June 13, 2004
slang word for scar beat that ha!
so how's ben gettin on with his mars bar
mars bar by taky drive June 29, 2007
A now-closed drinking establishment formerly located in the East Village neighborhood of Manhattan. It was widely considered to be New York City's premier location for getting yourself stabbed or picking up a communicable disease.
Guy 1: After the Mars Bar, then what?
Guy 2: The doctor.
Mars Bar by mondaymonday August 24, 2016
a mars bar is when a man puts his cock into a girls vagina and when he pulls it out its covered in shit and cum. most people also like to lick this for extra pleasure!
dude i have a mars bar right now from this hairy fat chick...
mars bar by mrbigmarsbar October 26, 2025

"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