Someone who makes an innocentmistake anyone could have made or failed to perform on a an unrealistic level or when something happens completely out of their control, especially when the individual is typically a master at the craft.
Hah! Our "top" player on our team couldn't clutch the 1v5, what a silly bean-brain,
HAHA, he forgot to his corners and died, what a silly bean-brain.
You didn't know there were 5 in the bush? what a silly bean-brain.
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."