1 definition by theLightbringer

Top Definition
To masturbate furiously. Going all out on your penis. This is done by using long fast pumps. It can also be accompainied by yelling. This is the best and only way to masturbate. present tense: gunnin it, past tense : gunned it, future tense: gunn it
Grant: what did you do after work?

jeff: i went home and went to bed. Then i woke up at 3am and gunned it for like two hours, then i went back to sleep.

Grant: thats too much information.

Mark: would you fuck that fat bitch over there?

Joe: No, id rather gunn it.

David: did mike leave the room when you started bangin that girl you met at the club?

Johnny: No, that dirty bastard sat in the corner gunnin it.
by theLightbringer October 04, 2009

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