Well, you can use this word for a word when you don't know what to really say or just using it for a cuss word. You can shorten it to Fanga.
(FAHN-GAH)(LAHN-GAH)
You Fangalanga!!
Girl 1: Hey! This is so stupid and blah blahblah...
Guy 2: Fangalanga?
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."