When you use your hips to swing your penis in a circular motion like the blades on a windmill.
Right before I came, I pulled out and did the windmill so it went everywhere.
by Joe Rogue November 16, 2007
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while doing a girl from behind you swing your arms around like a windmill and then smack firmly on the ass
"i just gave your mom the windmill and it was the most glorious windmill in all the land"
by G-rey September 11, 2006
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when two or more men are attempting to have sex with one woman but since they are so drunk they swing their penis' around in a circular motion to promote blood flow in hopes of achieving full erection. When done correctly small tornados and possibly tropical storms or hurricanes will be produced. Warning : do not attempt if you are unable to handle high wind speeds
hey dude, me and my friend were trying to gang bang this rip so we busted out some windmills
by Windmill King April 3, 2011
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When a man intentionally spins his penis around in circles, moving in a fashion such as a windmill rotates.

Sometimes erroneously called helicoptering, but this is not how helicopter blades move so that's just plain fucking wrong.
Dick was flinging about his junk, windmilling like Don Quioxte was there to watch.
by Lucie Bluebird January 9, 2016
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To swing your penis around in a circular motion to appease the ladies.
by Josh Sandlin January 2, 2005
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a formidable fighting tactic in which the aggressor swings their arms in circles on either side of their body while rushing the opponent. Because of it's unorthodox appearance, most people don't take it seriously, however many brave men have fallen to the power of the windmill.
-I wanna see some windmilling in, and if you've got a set of keys on you, stick them in your hand and make them count!
by Hulk Hogan March 20, 2005
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To throw huge wild punches on some prick.
- Yo, if that nob doesn't stop giving me dirties I'm gonna go over throwing a few windmills
by yepsen tsoane March 31, 2006
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