when two peoples' shoulders are awkwardly touching (on purpose or not)
"Oh my god, would you two quit it with the shoulder sex already? Get a room!"
by c/loooooooove November 29, 2011
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When your shoulders are so sexy they look like something a girl would grab during sex and claw at.
"Did you see Jimmy's sex shoulders. Mmm I'd tear him up"
by Sexyshoulders March 06, 2014
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