When you've had so much anal sex that your insides come outside. Resembles a pink sock hanging out of your ass.
by AndiAnomaly July 31, 2008
Get the Buttsock mug.a sock you put on your ass whether you are cold or trying to catch fecal matter. word also commonly used for ridicule. a buttsock is also used to catch a fart and bring to ones face.
by mr seville November 10, 2008
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