by NBPplaya June 22, 2006

by AAAACCCCKKKK August 03, 2007

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.
by Hannah December 03, 2004

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 22, 2020

"your such an ack!!"
by brittany January 06, 2005

by R. Kemp December 28, 2005
