1 definition by j-squared314

Top Definition
When a girl is giving you a blowjob, and your best friend is hiding and watching, and becomes visible to the girl and the best friend gives you a thumbs up while you get off.
"holy crap that feels so good. I'm about to get off, it's going to be a brogasm..."
Girl- "What?"
Best Friend- "Way to Go!!" (give thumbs up).
by j-squared314 March 19, 2011

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