When having sex with a girl from behind, you gag yourself, making yourself vomit. Use the vomit to lube up your hand, and insert it into the womans ass, fisting her ass while you are doing her doggy style.
Last night, I gave Heather the Dirty Derek. She loved every minute of it.
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.