by Orville Blick April 22, 2005

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 July 14, 2016

by ebony.anne September 24, 2018

the be under the influance of methanphetomine
by jameshandpenis February 27, 2011

by Anonymous November 8, 2003

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.
That chicken head is always gacking choad in the park.
by Catsleeze September 23, 2013
