Top Definition
1. whats going on/what have you been up to
2. its goin to be fun
1. person 1:yo, i havent seen you in the longest! what popalopin?
person 2:nothing man, i have just been chillin.
2. person 1: i cant wait for that party on Friday!
person 2: i know its about to be popalopin
by Tikeyah March 25, 2007

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