A wet willie is when you're fingering a girl and she gets really wet, then you put your finger in her ear.
Man 1: I gave my girlfriend a wet willie last night so she couldn't hear my mom from upstairs
by wet Willy Wonka December 15, 2008
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When your girl gives you some good brain resulting in an incredible explosion of your skeetand she keeps it in her mouth then goes straight to eating your ass spitting your man juice into your anal.
*last night things got so kinky between my girl she performed a wet willy on me
-No way, you have yourself a freak bro
by szcherries January 28, 2015
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A joke some people play at parties. It consists of poking your finger first into your own mouth and then into your "friend"'s ear. It was originated on the "SpongeBob SquarePants" cartoon show. SpongeBob played it on Patrick Star.
Patrick: "Did you stick your tongue in my ear, SpongeBob?"

SpongeBob: "No, Patrick--I gave you a Wet Willie!"

Patrick: "Oh, okay. I thought you were doing something gross!"
by Rank Frank February 12, 2012
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When you oil a girls breasts and then titty fuck her.
John: “Dude, Tiffany has great boobs.”

Chase: “Yeah, I’d love to give her a wet Willy.”
by Dr.R1ck__Mar$ha11 November 12, 2018
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Insert wet dildo into the ear of your lover or friend in an attempt to be funny...then run like hell.

Can use saliva or other bodily fluids.
Dude I gave her the best wet willie ever...then she beat my ass.
by gogoppl August 9, 2010
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The act of putting your finger in your mouth and then inserting the finger into someones rectum when they do not expect it and screaming, "WET WILLY!"
Bill was sleeping so Jim gave him a wet willy, he then recieved a swift kick in the ass
by ThomasGotHigh January 12, 2011
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While getting head pull her head back and turn it sideways and blow it in her ear.
what happens to matt with his boyfriends
by Devin March 31, 2004
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