Is a term said aloud when a beaver or other wild creatures has been killed or shot at! Also can be said when someone hammers down on a cold beer or shot of yukon jack has been taken.
The word tends to be used more as the night progresses due to the amount of alcohol being consumed so that the term can be used.
Ohh look there is a beaver over there, shoot it! BOOM we got him! "CRACKAPOW"