Participating in rough, often injury-causing, homosexual sex with many of the same gender. "Thrashin" also loosely interprets the act of anal protrusion with inanimate objects.
I heard that Thrashin is Will's business, and business is good!
by Peter Peinwater November 01, 2010
1 Word related to Thrashin
Top Definition
To easily pick someone apart. To completely destroy someone's game at the particle level.
"Ay yo did you play James in 2K"
"Man I was straight thrashin that dude."
by MrDontGiveAFuck January 23, 2016

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