I coined this in 1990
It means you got ripped off !!
Not the gay term "He is a buttslammer".
I also coined that in 1989 !!
No kidding .
I lived in west hollywood at my sisters place at the time.
Scotty "That motor bike you bought was a total buttslamm"!!
You Got "Buttslammed" !!on that deal.
Ripped off
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.