Ack 

the sound your cat makes when it vomits

ACK i just vomited sorry

Ack by UR MOM GAYYYYYYY March 8, 2018

ack 

albert says this alot

ack ack ack ack

ack by Zorrrria January 10, 2019

ACK 

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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.

ACK by Riley, Zac July 10, 2019

ack 

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.'

ack by maya and catherine September 21, 2005

ack 

The sound a girl makes when she chokes on a guys skeeze.

Guy: "im gonna cum"
girl: "ACK!!"

ack by NBPplaya June 22, 2006

ack 

The sound you make when you get your colon rammed by a one eyed snake.

Snape: Bend over, Malfoy
Draco: ACK!!!!

ack by AAAACCCCKKKK August 3, 2007

ack 

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"

ack by Hannah December 3, 2004