When you're watching an action movie and the action in a scene gets so intense that you blow your load due to sheer raw epicness. It's an explosion in your pants.
Joe - Yo, man, I finally watched Die Hard yesterday.
Steve - Shit man, took you long enough. And?
Joe - Holy hell, I had like 20 jizz moments. I couldn't even get up after watching it.
by bigjonny13 April 25, 2011
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