replacement for Probably or the more recent example, prolly, it originated in San Diego and has been made popular by the students of USC, prally the best word ever and can even replace any word arbitrarily, prallll? Prally
Kyle: You gonna go to Cabo next Spring Break?
Janice: Prally.

Diddy: You gonna get laid this weekend?
Bobby: Prally not, braaaahhh.

by Maury Lowenstein May 7, 2007
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Pep Rally; party or any place that shit is going down.
Ay homey, you finna go to the Prally or wut?
by P.H.A.T. September 2, 2008
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