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Used as a name for a female in a non exclusive sexual relationship. Indicates the male in the partnership is only using the female for sexual pleasure.
"Nah she's not my girlfriend, she's just a willy warmer."
by XannaBanna June 25, 2009
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2
A nicely knitted coat made to keep your willy nice and toasty when it starts to get cold outside.
It's coming up to winter - better get the willy-warmer out.
by Steven November 16, 2003
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3
Any cylindrical object, usually made of material, that looks as though a penis could fit snuggly inside.
What the hell is that, your willy warmer?
by The Asshatter December 17, 2006
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4
Its a heater..................for your peter. #willywarmer
Guy1: damn my willy's cold.
Guy2: THEN YOU NEED A WILLY WARMER!!!

At stores near you
via giphy
by Todd the Dog December 19, 2017
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