the act of or state of being critically impared by marija-hell-freaky. but not just any amount of impairment, one has to be nearly disfunctional and look like a wreath-maker.
GABE -"What are yall bein?"
CROONIE-"I'm THILLY!"
GABE -"On a scale of 1 to high how thilly are you bein?"
CROONIE-"Dottie, you know I stay fly as a wreath-maker. I'm freakin thilly, so call me a wreath!"
by Croonie May 1, 2007
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Having many boyfriends/girlfriends at the same time;being a pimp
"She is going out with 5 guys, she is so thilly!"
by Malzy May 30, 2004
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Thilly is a word created by a girl from Lakemba called Natasha.

Thilly = silly.
You're thuch a thilly thauthage!
by Markehhh May 7, 2010
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Noun: A person with crazy and asinine tendencies.

Verb: To be or the act of being thilly

I'm tho thilly its sick.
by Tyler Stebbins August 4, 2006
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Sometimes considered a term of affection, sometimes a homophobic slur when spoken. 'Thilly gooth' means "silly goose" but its usually spoken in an attempt of an overblown fake gay mannerism voice.

A perfect example is the character Big Gay Al from the TV show SOUTH PARK.
Sean... the things you say are tho funny you thilly gooth!
by Alpha Kennyding February 17, 2011
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Gay slang for someone who's being silly in a savage-like manner.
Oh stop acting like that, you're such a thilly thavage.
by Brian Greene June 2, 2007
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