The act of spinning one's penis around in the fashion of a windmill, usually with the intent of hitting someone in the face. Sometimes done while urinating.
Mr. Bean was windmilling the school children.
by Haddock December 17, 2004
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Breakdance move which is technically a continuous assisted backspin achieved by rolling high across the shoulders and upper back onto your front and onto your back once again. legs are kept as far apart as possible at all times.

There are many different types of windmill, including super-windmills, no-handed windmills and baby windmills (considarbly harder and achieved by tucking your legs close to your body. the dancer resembles a frictionless ball rotating seemingly endlessly on the ground)
"That guy has incredible windmills!"

"He went straight from a windmill the a headspin"
by breakz April 27, 2004
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Spinning your arms to hit someone with intent to injure.
I like windmilling Mags because they stink.
by @@@ September 29, 2007
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while playing guitar or other stringed instrument, throwing your arm up in a counterclockwise motion, over your head and back down again (making an invisible circle with your hand), striking the strings on the upstroke

invented and perfected by Pete Townshend of the who
by mike November 5, 2004
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clutching ones flacid penis at the base, and waving it in a similar motion to that of a windmill
howard was windmilling bolder at the pub after 8 pints of vodka snakebite, and 8 apple sourz.
by howie December 1, 2003
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where you grab the bottom of your cock and start spinning it in the motion of a windmill
I Stood at my bedroom window busting out windmils to all the old people walking past ;)
by J.holmes February 5, 2009
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when someone doesn’t know how to fight. and they start to swing their arms in a windmill motion
___ and ___ are getting into a fight and ___ starts doing the windmill
by lolugae000000 May 25, 2021
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