Top Definition
Glowbutt is the phenomenon that occurs when Jessica steps out into the sunlight during shows and illumination is given to her perfectly formed ass.
Chatter 1: Jessica is walking out the door!

Chatter 2: 3...2...1...

Chatter 1: Glowbutt!!!
by bananaslug June 10, 2008
4 Words related to glowbutt

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