to be twacked is to be under the influence of crystal meth
L. - damn broddy im fuck'n twacked
P. - ahaha Me too !
by baddxbxtchxdopey August 7, 2010
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out of your mind on psychadelics, IE 'shrooms, 'cid, robo.

(adopted from meth terminology)
I was so twacked on acid I thought everything was one giant electron.
by redghost37 May 26, 2004
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TWACK v. To strike with great force using the back of the middle finger (usually the nail) after coiling it under pressure against the opposing thumb. Accomplished twackers can inflict great welts upon their victim's flesh.
That turd cutter pissed me off, so I twacked him right in the munt!

On the first twack
Pope jumped like a macaque;
On the second twack
Pope was taken aback;
On the third twack
Lost his marbles the old hack.
(A. S. Pushkin)
by Clittary Hilton October 31, 2007
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Someone who is in the gray area between a crackhead and retard.
You're a fucking twack.
Stop twackin out
by TheCreatorUBitch January 26, 2019
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TWACK v. To strike with great force using the back of the middle finger (usually the nail) after coiling it under pressure against the opposing thumb. Accomplished twackers can inflict great welts upon their victim's flesh. (This definition posted by the forerunner was removed from the Urban Dictionary by some evil force... but truth shall prevail!)
That turd cutter pissed me off, so I twacked him right in the munt!
"on the first twack//pope jumped like a macaque//on the second twack//pope was taken aback//on the third twack//lost his marbles the old hack" (A.S. Pushkin)
by Clittary Hilton September 17, 2006
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1. Another word for Crystal Methamphetamine.

2. Common objects associated with crystal methamphetamine. These objects can be signs that junkies are present or were there recently (maybe crashed on the floor/couch). These things include really crappy drawings of graffiti on scrap paper, uncleaned dog poo/drinks/food on the carpet, broken light bulbs/missing light bulbs (can be improvised to smoke meth), crafty arts that require short attention spans (for females), left-over traces of meth on the coffee table, and other various tweaker paraphernalia.
1. Yo man you got some of that twack?(twacktonite)

2. Man i got home last night and my room mate had twack all over the living room!
by Smurf October 4, 2006
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