crack one off

v. Masturbate.

She wouldn't put out, so I had to crack one off instead.

by Pecan Pie April 30, 2004

cracking one off

noun. from English slang terminology. The act of masturbation. v. to masturbate.

"where's jim?"
"probably upstairs cracking one off to some midget porn"

by Olly J February 6, 2005

crack one out

To masturbate
see also: wank, frig, toss, tommy-tank, make the bald man cry, choke the money etc etc

John cracked one out in the toilets during his lunch-break.

by Master Bates September 18, 2003

crack one off

v. To blow your load, or cum

"I got so excited when I saw her that I nearly cracked one off."

by BigJC December 1, 2003

crack one off

v. To fart, usually loudly or pugnaciously.

Some dude on the train cracked one off as I passed him by.

by Niall February 11, 2004

Cracking one off

Verb: to defecate explosively.

“Hey, JM, what are ya cracking one off in there?

by BobbyEyes November 2, 2018

Crack one out

To lascerate your cock while 'watching videos of/imagining/looking at photos of/in the presence of' hot sexy women.

Masturbation in laymans terms.

James: "Im going home for a wank."
Tim: "haha, james is gonna crack one out, the randy bastard, remember to clean yourself up, and your mums back, dont be rubbin the cum into her back too much again".

by Professor Stupidity March 29, 2008