when you disgusted by anything/anyone and want to spit on them because the are a disgrace to human kind
woah a fucking furry ACK!!!!!!!!!!!!!!!!!!!!!!!!!!!, woah someones tryna largamanoodle me ACK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!, someone doesn't have robux ACK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.
by Riley, Zac July 10, 2019
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the sound your cat makes when it vomits
by UR MOM GAYYYYYYY March 8, 2018
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ack is a term to describe that incredibly uncomfortable feeling you get when a situation is horribly embarassing and/or awkward.
'that party SUCKED, there were about three people there! i was like "argh, ACK!"'
'and then, i threw up all over his shoes. so ack.'
by maya and catherine September 3, 2005
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The sound you make when you choke on soda.
Ollie: Marco are you ok?
Marco: ACK ACK ACKK
by I'll eat your lamp shade August 25, 2020
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The sound a girl makes when she chokes on a guys skeeze.
Guy: "im gonna cum"
girl: "ACK!!"
by NBPplaya June 23, 2006
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1) (adj.) Being as high off of marijuana as the famed Rob Ackerman. 2) (v.) The past tense process of smoking. Synonym with smoked, bowl, weed, kush, etc; terms deriving from marijuana and marijuana paraphernalia.
1) "Bro you cannot possibly be acked." 2) "We acked a few bowls ma nigga." 3) "Yo man I'm tryna rock out, did you bring some ack?"

*note one cannot reach the level of Ackerman
by Jujuthegiant November 10, 2013
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The sound you make when you get your colon rammed by a one eyed snake.
Snape: Bend over, Malfoy
Draco: ACK!!!!
by AAAACCCCKKKK July 27, 2007
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