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8.
1) The action of repeatedly lifting weights in order to build muscle.

2) A feeling denoting extreme excitement.

3) To reload a pump-action shotgun.
1) I'm gonna go pump some iron!

2) Man, I'm pumped about the gig.

3) I think you have an idea what this is like.
by Ross Mackay July 06, 2005
 
9.
Doing something with a very high level of enthusiasm or awesomeness. Also can be referred to as PUMPing weights.
Terry: How'd you do on that math test?
Tim: I PUMPed right through it.

Frosty: You look fresh today dawg.
Liquid: I PUMP all day, everyday.
by Liquid All Day March 21, 2011
 
10.
1. to copulate

2. the heart

3. to excite
He thought he was pumping with her, but all this time he was showing her his art collection.
by The Return of Light Joker June 29, 2009
 
11.
The fart experienced just after a larger, more noisy one was anticipated. A pump is quiet and usually more likely to cause skids.
Angelica: Oh dear..
Baz: Sup love?
Angelica: I've just pumped :(
by wizwaz November 09, 2009
 
12.
Pronounced pee-ump.

A cool name for a pump water bottle.
Abbie: hey Sarah ready to go to class?

Sarah: wait, I've forgotten my p-ump!
by canarypopple May 04, 2009
 
13.
slang used by Marine grunts to refer to active tours of duty.
1.I got a 7 month pump in Iraq.

2.I've done three pumps in Iraq.
by KILLEDNACTION January 11, 2009
 
14.
At Duke University, the *P*lace *U*nderneath the *M*arket*P*lace.
Roommate 1: Hey, did you buy some Arizona from the P.U.M.P. yesterday?
Roommate 2: Yeah, why?
Roommate 1: Because it's already gone...
Roommate 2: Damn it, well I guess it's your turn to go to the PUMP and get some!
by CameronCrazie September 11, 2012