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8.
acks (axe) vt., (from Ebonics: akin to ASK) 1. to use in words in seeking the answer to (a question); to try to find out by inquiring 2. to put a question to a (a person); inquire of -ackst, -acksin
Sistuh Woman: Hey, sup Cressida? Did you acks Tyronne if he got us the shit?
Cressida: Fuck that crazy nigguh.

Sistuh Woman: I'm through wit his narrow yellow no count ass anyway.
Cressida: Shit bitch. I'll acks him then.

Cressida: (to Tyronne) Yo muthah fuckah, you got me my shit or what?
Tyronne: Oh bitch, please...
by Ned Ludd August 02, 2005
 
9.
ACK
an exclamation of shock, surprise, or disappointment to be used mainly by awkward individuals
"ACK! I left my wallet at home!"
by mylifeisawk February 22, 2012
 
10.
ack
Short for acknowledged. When a person says something that doesn't require a response, but the person wants to let them know they recieved the message. Similar to okay, but when using okay just won't do.
Sanford: I had cheerios for breakfast today.
Stephen: I don't care
Sanford: Ack
by JesusPirate July 06, 2010
 
11.
ack
Ack is a word to describe excrement or poo. It can also be used an adjective to describe something with poo-like associations- see Acky.
Where's the toilet? I need to do an ack.
I wouldn't go in there, someone just did an ack.
by damon goss October 05, 2011
 
12.
Ack
A sexual sound made by penguins when reaching orgasmic crescendo.
First penguin: Ack! Ack! Ack!
Second penguin: Got a light?
by Glub March 31, 2005
 
13.
Ack
A sound that you make to notify a person you are joking. Extra letters can be added to it to show emphasis. Drizzy Drake makes this noise in the song over
ACK!
by Izilluh December 19, 2010
 
14.
ack
Popularized by Berkely Breathed's disturbing cartoon character "Bill the Cat" of Bloom County fame (later became Outland). It is the product of the random misfirings of a braindead individual who wants to say something intelligent but seems completely devoid of any grey matter. It is frequently followed immediately by the word "thptptpt", which is produced by flatulations of either the lips or some other sphincter.

You may also hear this exclamation muttered by hung-over frat-brothers when they first wake up.

You might also hear this word from time to time in an overcrowded senior retirement center, with nobody noticing it is even being said.
"Ack! Thptptp! Ohhh man! groan, groan

...what am I doing here, and why am I wearing this inflatable duck?"
by Val Patrick December 24, 2004