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A Vacuum tube used to lengthen the male tally-wacker. Mostly used by men who have no penis. Most of them don't work. I should know.....
PENIS PUMPS ARE GAY! THEY DON"T FUCKING WORK...Caleb is gay too..
by todd January 16, 2003
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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2
A device used to enlarge the penis. Pumping the handle will remove air to create a vacuum in the pump. This will only enlarge your penis temporarily. If used obsesivly it will stretch the skin on the penis but not lengthen it, your skin will sag off of your penis
Some guys like to use penis pumps in the bedroom
by Jason May 07, 2003
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4
A pump powered by batteries to lengthen or pleasure the owner of a penis.
I used a penis pump when my penis was 3", now my penis is 5".

NOTE: NOT ALL PUMPS WORK!
by Nick March 23, 2003
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6
a pump which inlarges your penis
katherine: your penis is so small , i dont like that !
daniel: well i cant help it
katherine: well here, use this penis pump!
by KillerQueen9000 October 11, 2008
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