Typically said by people of a sub-average IQ in relation to things that are indeed, rather important.
Dude 1: Hey man you should probably look at applying for some jobs?
Dude 2: It might sound super duper important, but its really not
Chick 1: Hey sis you should probably not do drugs and then drive around, the police might catch you!
Chick 2: It might sound super duper important, but its really not
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."