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1. Pumper
One who removes an arm from a long sleeved shirt whilst grabbing the empty sleeve with his other hand and making a pumping motion with it. The removed arm remains underneath the shirt and is used to thrust through the hole created between the two sleeves.

Pumpers often travel in packs and exclusively listen to KRAT

Pumpers rarely pump it down low, they mostly try to pump it up.
Look at the action he gets when he pumps in that sweatshirt, that guy is a pro pumper, no doubt about it...
2. pumper
(n) Someone who posts on an internet message board in ardent and blind support of someone or something. Generally used for people posting on stock market message boards, and encouraging others to by the stock.
Beware the pumpers on the MSFT board.
by keyshaw Jun 3, 2004 add a video
3. pumper
A person who remains out in the street, or in a certain location, for the purpose of selling drugs.
I'm pumpin' just like a pumper do. -rapper Jim Jones
4. pumper
A person who remains out in the street, or in a certain location, for the purpose of selling drugs.
I'm pumpin' just like a pumper do. -rapper Jim Jones
5. Pumper
Replacement word for wanker or cunt
What a Pumper!
by Rob Feb 22, 2004 add a video
6. Pumper
When a girl gives blowjobs but she is not a hoe, prostitute, porn star, or whore.
"This Girl I know loves to seduce me by giving me head, she's not owned or poor, she must be a pumper."
7. pumper
someone who loves to pump their penis into a tight pussy
I am a pumper
by PumpMasterCunty Apr 8, 2003 add a video
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