What is Crack One Out?
1.
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.
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2.
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".
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