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When a person licks their finger, a'la a wet willy, but instead of slipping it in your ear, goes right for your butt hole.
"Dude, why did I hear you scream so loud last night?"

"That douche nugget, Pete, gave me a silly willy."
by M.TOMP April 26, 2009
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4
This is when a guy is getting head from a girl, and right before he is about to ejaculate he pulls out and sticks his wet dick in the girls ear and then blows his load in it.
Jack pulled out of Jill's mouth and gave her a Silly Willy.
by Sean January 20, 2005
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5
Those REALLY horny kids in games like Minecraft who always flirts with people, as well as spam hundreds of overused emojis and emoticons like 'XD'.
That damn silly willy be playin' Minecraft all day. Making us cringe so much holy shit.
by 1ob December 19, 2017
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7
Silly Willy

The process of finger banging a lady and then sticking your wet finger in her ear.
Jack totally gave Jane a Silly Willy last night.
by jones3jd January 04, 2010
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