the act of, or result of lifting weights or exercising (pushups, pull ups, etc.) right before going out to a pool party or the beach with the desire to engorge your muscles with blood, or produce a pump, in order to temporarily make them larger in order to impress the opposite sex.
Before that dude went to the pool party at Club La Vela, he must have been pool pumpin' to impress the ladies.
by LaKwan June 20, 2006

Pooping profusely after a night of drinking cheap beer. No matter how hard you try it doesn't come out all at once. So you strain and grunt out loud and each you do a bunch squirts out.
by Mitch Corona September 25, 2004

by Pnuemenoultramicroscopicsilico December 2, 2019

Exibit A - "Hey. Those Guys Are Away Into The Tent Alone. I Wonder What They Are Doing?!"
Exibit B - "Sneaky Pumpin Man, Sneaky Pumpin"
Exibit B - "Sneaky Pumpin Man, Sneaky Pumpin"
by Ronan Duffy November 19, 2007

When a nigga sees a nice ass, aint nothin goin through his head but pumpin that ass, just straight hoppin up n down on that shit.
by akjohnny February 23, 2009

by unknown August 7, 2003

by nignignig April 30, 2006
