its a kiddy name for a penise and its also used for people who are stupid.
Sam: hahaha i can see your willie
George: i know big innit

Reiss: (bangs into me)
Ronnie: Reiss yah willie
by ronnie1997 August 7, 2011
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To accidentally poop and it ends up on your boot
Bill, look at your boot! You willised
by Platform Boss April 25, 2018
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a partially retarded or delusional person, unable to control drooling, and smelling air. May be tall, and lanky similar to a tree, a condition willi disease known as trilly syndrome.
that man david guest is a willi
that tree looks like trilly
by curry master May 21, 2008
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Willis, affectionately known as "Lil Willis," is a pint-sized, two-foot-tall gremlin character who has carved a special place for himself in the heart of Sparc Mac's community. Although seemingly unassuming in stature, Lil Willis possesses an enormous personality that radiates through the streams and content he's a part of. It's not just his physical presence that sets him apart; it's the unique connection he shares with Tim that fuels speculation about a dynamic partnership behind the scenes.

Regularly making appearances alongside Tim during streams, Lil Willis serves as a lovable companion who brings a distinct voice and charm to the content. His voiceovers add an extra layer of humor and entertainment to the broadcasts, becoming an integral part of the community's experience. While the nature of his relationship with Tim remains a subject of curiosity and speculation among fans, there's no denying the undeniable chemistry and camaraderie between the two, making Lil Willis an endearing and memorable figure in the world of Sparc Mac's content creation.
by SparcMac Discord September 6, 2023
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When you put poop on your boot prior to going into your bosses office so you can smear it all over his floor without him knowing you're doing it. This derives from the anonymous pooping of cornwallis (one of Mr. Hankey's children)
Supervisor: Damnit, there is shit all over my office floor. Did you fuckers Willis me?!?!
Workers: Wasn't us, must've been Cornwallis
by The Downside Slope May 2, 2018
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a term used instead of the word ‘penis’ and used to describe a flaccid penis
Person 1: AJ has a big willy
Person 2: Oh my, yes he does!
by anonymous0996 December 1, 2017
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