어떤 단어든 아래 칸에서 찾아보세요. 예를 들면 "sweetest day"
 
1.
Methamphetamine (crank, speed). Describes the gag reflex triggered by the extreme burning sensation of the nasal passages when the drug is snorted, and the very bitter taste as it drains down the back of the throat.
The character 'Pooh-Bear' in the movie "The Salton Sea" had to have his nose surgically removed because he snorted too much gack.
Anonymous가 작성 2003년 07월 13일 (일)
 
2.
1.A term used for the Drug Crystal Meth Amphetamine

2A some what derogatory name for person under the influence of crystal meth.
1. "They just smoked a fat bowl of gack."

or Thats some killer Gack!"
2. "That guy is a total effin gack." or "Quit being such a gack, your going to get us busted!" or "Never bring that gack over to my house again!"
L8Nighter가 작성 2011년 03월 02일 (수)
 
3.
A word or sound muttered/or written by Professors of Anatomy and Physiology when proper terminlogy is not used. Also used un situations of extreme exacerbation.
Student Answer: Gluteus Med.
Professor Commentary on test: GACK! This is not proper terminology.

"GACK!, be quiet now! Or I will leave!"
Rojay가 작성 2006년 11월 30일 (목)
 
4.
The sound made by an individual who is in the process of sucking dick. Typically a gagging sound made from the throat.
Brenda gacks on that niggas dick because she has a terrible gag reflex.

That chicken head is always gacking choad in the park.
Catsleeze가 작성 2013년 09월 23일 (월)
 
5.
Any amount of useless or unwanted stuff (usually regarding possesions)
I've got too much damn gack in my attic. Guess I'll throw something on ebay.
mudpup가 작성 2006년 04월 05일 (수)
 
6.
Contraction for go back.
Would you like go g'ack home this weekend?
Brian가 작성 2004년 04월 12일 (월)
 
7.
To get messed up in the process of putting the team on your back and still going out like a champ.
His night would have been better if he hadn't Gacked after the race.
bww13가 작성 2010년 12월 05일 (일)