the act of keeping your hand stationed in a still circular pose around your cock while he thrusts his hips forward, providing the same hip motion as sexual intercourse.
Rod The Bod found he ejaculated quicker whilst humpsterbating
v: the process of inserting a hamster into your anus and letting him/her journey through the poop chute until finding, and eventually nibbling on the parts that cause an instant ejaculation.
---See Richard Gere
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."