Derogatory term for women. Refers to the supposed usefulness (or lack thereof) of a human female regarding her sexual function or purpose of existence, dependant on the aforementioned situation.

Variants of the terms 'cum sleeve' and 'cum dumpster'.

Started being used on various internet message boards in early internet era, circa late 1990's.
"It was not nice of Jim to call my sister a semen sleeve."
by Rosebeer September 25, 2020
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A rock hard tube sock (ankle socks are appropriate) that has caught enough dick sneezes to form a dick cast.
My god.. my girlfriend was doing my laundry and stumbled across my semen-sleeve.
by Senior BroBrah January 28, 2022
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