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.
by ja ca December 23, 2007
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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 August 10, 2004
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Sorry about the smell, I've just kacked my pants
by Turkey January 12, 2005
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Combination of Fucking and Crap.
Another word for excrement.
Kackhead!

I nealy kacked myself back there.
by Jay September 23, 2003
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to have gotten laid.
That girl is walking funny, she must have got kacked hard!
by Jason Berti December 1, 2007
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