VERB

1. To masturbate excessively, to the point pubic hair is ripped out and the wiener remains sore for at least 1.5 hours.

2. To perform drums on a street corner for a small amount of cum from passers-by.
1. I cum-drummed so hard semen poured out of my nose.

2. Don't judge me! This is what I do! You are so ungrateful; I play beautiful music and you can't spare a drop of cum!
by Mack B May 22, 2008
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1. Grab yo bitch
2. Spin her around
3. Have a seat
4. Make her sit on you
5. Put it in her
6. Bend that 'ho' over
7. Get to slappin that ass
Baby--the sex gods are displeased by our lack of action. Hop on and I'll give that new cum drum rhythm I wrote a try. Maybe that'll make them happy.
by Sasquatch Johnson June 5, 2007
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Used as an insult.

When another guy cums in your girlfriend, then she gives you a Brazilian lap dance.
"You're a douche."
"You're a cum drum."
by LaughingallthewaytoUD November 30, 2017
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The act of ejaculating semen into ones ear, then open hand slapping their ear. If done correctly the cum should penetrate the recipients ear drum, and cause permanent ringing in the their ear.
My fifth grade teacher gave me an F on my science report. So I gave her the old cum-drum ringer.
by Kirbizzal May 4, 2016
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