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 6, 2005
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A gambling term that means you are up and winning a lot of money. Pumping feels even better when you were previously dumping.
Jackson was dumping for the first hour in his poker session, but then he started pumping once everyone thought he was a moron and they started calling him. He pumped everyone's chips away except for that sweet old ladies!
by DrDumpenstein February 18, 2011
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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 30, 2009
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when you get a bike and an air pump and push
I was pumping the air into my bike’s wheels.
by Snugglefuss June 19, 2018
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guy 1:hey, whats your favorite black eyed peas song?

guy 2:oh, pump it, definatly
by kikolover442 September 5, 2011
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The act of gathering in a small place with 30 or more people and a household item. When the item is set off, the crowd proceeds to "flip their sh*t" until they become too tired to continue.
"Hey you guys wanna go do some pumping after lunch?? See you in the bathroom!!!"
by Anderswag January 27, 2012
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