One that is capable of completely obliterating someone's doubts or beliefs.
After numerous individuals and organizations voiced their doubts, concerns, and slanderous posts about the prospects of the new business opening up successfully, the nayslayers packed the house so full on opening night a line started forming outside the door.
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."