Someone who picks cigarette end up off the pavement/ashtray or where ever else they might be and smokes them, or maybe keeps them in a collection. Usually used as an insult by chavs
guy: Hey look, i found a half-smokedcigarette!
chav: fuckin docker picker! (punches him with a hand covered in cheap gold rings from argos)
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."