ack is another way of saying "meh", but it sounds german. You can say it if youre annoyed with someone. Or, if you don't believe somebody.
" Im Sorry, Please forgive me..."
"Ack"

"Trust me."
"Ack"
by Hannah December 3, 2004
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"He ackin up again!"
by 1111 August 21, 2006
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A word in which one can describe extreme to mild frustration or anger to someone or something. (Mostly used in AIM or other instant messenger conversations).
Bob: Napoleon Dynamite is sold out and is too expensive to buy!

Jake; Ack!
by Mr. X December 28, 2005
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ack is used to describe a boy named Noah. ack basically means “UGH” showing disgust. this term can be used with the name Noah.
ACK! NO~ACK~ (noack) WHY WOULD YOU DO THAT??
by ackkkk_ May 23, 2020
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- amazingly cool kid
- a club founded by amanda
"your such an ack!!"
by brittany January 7, 2005
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A short way to say the car name, "Acura".
Honey passed your car by and jumped in my Ack, cause I'm a playa!
by R. Kemp December 3, 2005
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Nonsense, ridiculous, weird, strange, unreal, to not believe something.
Ack, he's telling you a lie.
by Bear21 July 14, 2009
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