the act of keeping your hand stationed in a still circular pose around your cock while he thrusts his hips forward, providing the same hipmotion 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
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi