If a man sleeps with a woman for the first time, possibly a one nightstand. While taking her doggy style he puts a finger up her anus without asking permission
'Dude, I slept with Jenny last night'. - 'Did you do a Dirty Onur?'
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."