Twack 

Crystal meth or methamphetamine

My dealer was out of marijuana so I scored some twack instead.

Twack by Richard Thrust September 27, 2019

Twack 

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.

He ain't answering his phone because he's been twacking all night long.

Twack by Gametophyte April 12, 2020

twack 

The sound a bag of quarters makes when it hits someone upside the head, causing this individual to have a lazy eye.

that twack ass bitch can't even see straight

twack by Schwank November 3, 2004

Twack 

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.

Twack by Matthew Lefevre July 2, 2005

Twack 

A mix beteween Fuck and Twat to Form - Twack - can be used as an insult-

can be used in situations where swearing is not the right time so you can use twack!

"You Twack"

"you a big Twack"

Twack by chelski4lfie April 23, 2009

Twack 

A twitterer who constantly checks his/her twitter account hoping that the celebrity they stalk will respond to something they commented on that particular persons page.

Darryl - "Why do you look so tired?"
Leroy - "I was up all night waiting to see if Jon Stamos said thanks for telling him his ass would make a great helmet."
Darryl - "God your a twack! Well...did he?"
Leroy - "(weeping) no!"

Darryl - ".....Would mine??"
(long, awkward pause)

Twack by Darryl&Leroy May 21, 2009

twack 

twack is another word for wack, lame, sum shit tweakers would do

Alicia: lets go to portland

best friend: thats sum twack ass shit

twack by Cinderlla89 June 10, 2018