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15. Kack
The pinnacle of all that is awesome.

Not to be mistaken for the German verb "kacken," which means "to defecate."
Megan: "Man, Jack Black is amazingly kack!"

Sam: "Dude, I gotta take a massive kack."
Sally: "No, dumbass, that's not how you use the word!"

1. kack
to fuck; to have sex
I walked up to this girl and I said "Let's Kack!" and she was like "Aiight take me home baby"
2. kack
1.Moose dick, used in some ones mouth. usually some one who is not aware of how much moose kack they suck.
2.To fuck up in a major way.
1.You suck big moose kack.
2.You totally Kacked that shot.
3. kack
kack means :-
1) from latin which refers to wiping your arse

2) means shit , ballshit , arse wipe

3) crap

4)tosser/ wanker
1) s/he talks kack
2) s/he's a bit of kack
4. Kack
To Kak.

To pull down the trousers (and possibly undergarments) of another person, much to the amusement of the people viewing, and to the embarrassment of the person being kacked.

See Keg.
Tom was playing pool, when his tracksuit bottoms were kacked from his person.
5. Kack
Australian Slang. To describe how someone laughed at something.
"He absolutely Kacked himself when Darc fell down those stairs".
"What a Kack!"
by Eamon Hale Aug 9, 2004 add a video
6. Kack
Female genitalia. Often used in women's college dormatories and in rap songs (hopefully).
Oh god man, you need to smack that kack!
7. Kack
Combination of Fucking and Crap.
Another word for excrement.
Kackhead!

I nealy kacked myself back there.
by Jay Sep 22, 2003 add a video
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