A men's jacket, most commonly the color white. Primarily bought at stores like express or the men's section of forever 21, the jacket has a high collar that is often left unzipped- framing the face in the most homosexual way possible.
The thacket will most often be worn with an american eagle shirt and matching white shoes. Wearers of the thacket are usually gay.
"I laughed so hard when Kenny got a big ketchup stain on his thacket. No bleach is going to make that white again."
when you've been up for forever on meth and are starting to trip hardcore - ie, when your face is beginning to become one giantopen bleeding sore from picking at it.
"damn, i am so twacked out, i plucked until i dont have any eyebrows left."
"your pupils are so big you dont have any color in them - you're hella twacked out."
"for the last time, that is a MINIVAN, not the FBI - quit getting so damned twacked out!"