Top Definition
A physical and emotional sensation brought on by a vast influx of inspiration of achievement. Powergasms are induced by listening to epic music or through a success in business, sports or gaming.
1:Dude, why was that guy at the back bus was punching the air and pushing his chest out?
2:I'm pretty sure he has a powergasm from listening to the Lord of the Rings soundtrack...

1:Is it just me or has Randy developed a nervous twitch?
2:It's not a nervous twitch, he's just had a perpetual powergasm for the past week since he got promoted.
by Faraqueer October 20, 2009

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