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1.
Male: To masturbate. To have a wank.
"Fuck me, she's gorgeous. I'm gonna have to go home and bang one out over her."
by Esteban Lorenzo July 29, 2003

Words related to bang one out

bang bang it pound town quickie
 
2.
to quickly and effectively blow your load whether by intercourse or stroke-job
Yo Tahiya, wanna go bang one out in between classes?
by DickDickerson April 16, 2013