Get It Pumped is not a slang term that has anything at all to do with sexual intercourse. Get It Pumped basically means to put something on (i.e. music, a game etc.) and can apply to a lot of things.
You find your Queen cd at a party

"Get It Pumped!"

While channel hopping you see Forrest Gump

"Get It Pumped!"
by KsE-01 November 18, 2007
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A term used when pointing out to one's peers that it would be in their best interests to have sexual intercourse with a specified individual.
''Here Jazz, that burd you are with is well nice, G.I.P. (Get It Pumped)!!''
by ChrQ January 20, 2009
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When somone has sex.
'Ben well got his pump on last night!'
'I was getting my pump on and my room mate walked in'
'You were well getting your pump on!'
by Rachcook182 September 29, 2007
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