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5.
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
by illogiks December 11, 2007
 
1.
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...
by Tommy PP ROOSTER July 20, 2009
 
2.
pumpers better than tumblers because pumpers like to pump
"Hey stop tumbling"
"Why?"
"Pumpers like to Pump!"
"But I'm a tumbler"
"PUMPERS BETTER THAN TUMBLERS!!!!"
by Edzo04 February 13, 2009
 
3.
(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 June 03, 2004
 
4.
word for steroids aka arnorlds
That mofo gotta b using some pumpers.
by MIG December 26, 2003
 
6.
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
by illogiks January 08, 2008
 
7.
Replacement word for wanker or cunt
What a Pumper!
by Rob February 22, 2004