by Theone December 30, 2003
Person: Did you know that Marilyn Manson loves gacking?
Another person: No way!!
Person: Really? Of all the things he's into, THIS, surprises you? Wow. I'm tweeting this convo, ya twat!
Another person: No way!!
Person: Really? Of all the things he's into, THIS, surprises you? Wow. I'm tweeting this convo, ya twat!
by KingFobos March 22, 2016
by mudpup April 05, 2006
by ebony.anne September 24, 2018
the be under the influance of methanphetomine
by jameshandpenis February 11, 2011
1.A term used for the Drug Crystal Meth Amphetamine
2A some what derogatory name for person under the influence of crystal meth.
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!"
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!"
by L8Nighter March 02, 2011
by Anonymous November 09, 2003