A mix between spontaneous and fabulous. Usually used to explain a random, but equally awesome moment in time. It could be looked at from many angles, and even called fateful that something so spontabulous could have ever happened.
"Whoa, that concert we went to last night as so cool. It was reallygnarly when we got to meet the lead singer; that was spontabulous!"
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."