Top Definition
The act of masterbating instead of doing something important. (ie. homework)
Jim: Instead of doing that project, I was procasterbating.

Me: ZOMG me too!
by bob mcd May 27, 2007
When you wanna have a wank but you're to lazy too
Dude 1: F**K man, while jogging, I saw this hot chick running in front of me and I got so horny

Dude 2: So what did you do?

Dude 1: After my jog, I tried to wank but I ended up procasterbating
by Ragga man October 15, 2010

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