1 definition by Emily Winters

Top Definition
ack
a human onomatopoeic(sound)word to describe frustration or disgust.
"ACK!!! I have work today, It's going to be a bitch!"
by Emily Winters January 05, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×