(Aka mumping)

Man Pumping is the desire, intent, or act of self-pumping one's own penis, in public,but under cover to effectively relieve the buildup of stale semen accumulated in the male testicle(s) by achieving ejaculation. The physical act of mumping plays an important role in brining awareness to the male reproductive organs and the health benefits of male ejaculation. While researchers understand that males can literally ejaculate anywhere and at anytime, the act of doing it in public helps level the playing field between the sexes by removing the social stigma typically associated with "jacking off", or more commonly known as Man Pumping.
Marty and Joel decided to meet in the park for a man pumping session to raise awareness about men's health issues.
by ManPump May 16, 2017
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The weakest, most funny looking robot boss in Mega Man 10. Takes a minute to beat at the most, and rewards you with one of the worst weapons you could ever get in a video game.
I beat Pump Man in thirty seconds on the hard difficulty!
by u_no_who_right March 12, 2010
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A man that does rape for hire jobs. He enjoys his work but his main motivation is money. They are also often hit men.
by Deep blue 2012 November 2, 2009
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A mighty hero capable of making the ladies orgasm in just one pump. His ruthless training regime consists of: 6 Nans an hour, 24 hours a day, 365 days a year, and 366 days on leap years.
"ONE PUUUUUUUMMMPPPPP"
"Wow Levis, you really are One Pump Man!"
by Funnyneck January 28, 2017
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Usually a term for a man who prematurely ejaculates after just one, but powerful thrust.
by Mulix February 13, 2017
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When you and your significant other are havin hot sex but you finish too early.
Man: Ugh uhnn

Woman: Did you already finish? Ugh you're definitely a one pump man
by ThisHobgoblin August 11, 2016
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