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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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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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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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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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keeps your winkie warm so it doesn’t shrink
omg his willy warmers so big! he must have a huge shlong!!
by ur mums gay February 19, 2019
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a willy warmer keeps your peni, winkie and even your pinkie warm! just so it doesn’t get cold and freeze off or shrink.
millie “omg his willy.warmer is so big” tyrone “the shlong must be humongous
by ur mums gay February 19, 2019
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