Top definition
A Humping Party is when you and a whole bunch of friends (male or female) just start humping each other and other friends, random people, etc. While doing it you've gotta yell out "Humping Paaaaaaaaaaaaaaaarty" , to make it official.
Guy 1: Yo, Lisa is looking sexy today

Guy 2: Then lets throw a Humping Party

*Guys 1 and 2 walk over to Lisa and hump her in a friendly way*

Guys 1 and 2: HUMPING PAAAAAAAAAAAAAARTY.
by Koinz April 06, 2009
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