a female has mastered the art of aiding a man in reaching an orgasm, usually frequently in one sexual encounter, by an means of penetrative and non-penetrative sex
"man, I had an incredible night with this chick last night, she got me off so many times, I was defenceless against her skills, she was a master cockstress!"
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."