The act of masterbation while high on methamphetamine enduring up to 12 hours with the use of pornography. Derived from the words whack meaning masterbation and tweak a synonym for methamphetamine.
by Gametophyte April 12, 2020

by Richard Thrust September 27, 2019

by baddxbxtchxdopey August 7, 2010

To have a lot of energy or to be under the influence of a type of drug such as ice, meth, or anything that really gets u going
Damn i am like so twacked right now i just drank like two rockstars. Or fuck i just smoked a phat bubble and i am like so twacked!
by Kryptonite-Haze January 7, 2011

People from the area of British Columbia often use the word "twacked" when referring to the state of being high on the drug, cocaine, and nothing else.
by Tony Montanaaaaaa November 30, 2010

In the early 1990s college slang it was used as a contraction for twelve pack. As in a twelve pack of beer.
I'm going to the store to pick up a twack.
by Matthew Lefevre July 2, 2005

Beyond tweeked....Twacked
A person who using meth and stays up for weeks at a time with no sleep. Paranoid everyone knows they on drugs. Every sound they hear they think the cops are coming for their $20 bag having ass.....nail holes in walls are really someone watching having, so they got to Cover holes with tape.
A person who using meth and stays up for weeks at a time with no sleep. Paranoid everyone knows they on drugs. Every sound they hear they think the cops are coming for their $20 bag having ass.....nail holes in walls are really someone watching having, so they got to Cover holes with tape.
by Wildcherry26 December 22, 2016
