This is a cross between a brusky (otherwise known as a beer) and the phrase "brutal."
This term is usually used in situations where something "bad" has happened, but is also funny enough to deserve a beer.
Bossplaya:Did you just see that guy getsacked with that football!
Ace86:That's fuckin' brutsky!
Bossplaya:Haha, Cheers to that
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."