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 thillygooth!
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!"