A shortened version of Social Butterfly.

A person who delights in social interaction.
Everywhere he goes, he makes friends so easily. He's a classic sock-butt!
by Megatomical July 22, 2020
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a synonym for underwear
a 'butt-sock' originates from the idea of a sock on your butt, other known as your panties.
I put on my butt-socks before I put on my pants.
by caseymacypacy July 12, 2011
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When multipul men have anal sex with one woman and ejaculate into her anus, the last man to finish has to let the woman shit the nasty cummy turd onto his face.
Damn that chick is hot, we should rally a couple of bros together and see if she’s down for a bukkake butt-sock.
by Cap. Long pipe April 04, 2019
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