Top definition
The act of thrusting or humping in a reverse motion, rather than forewards. It is commonly seen as a homosexual act between two men, although anyone can do it.
When executed, the backwards thrust can be both amusing and disturbing, while not offending the delicate sensitivities of some people.
Repeted backwards thrusting over time or backwards thrusting multiple times consecutively can result in several problems that include, but are not limited to:
-Thrusting into someone, creating an akward situation
-Attracting gays towards, or rather, behind yourself
<Man thrusting backwards to amuse his friends> "Backwards thrust! Backwards thrust! Backwar--"
<Bumps into front of other man>

<Other man smiles> "Helloooo."
by Grimmie XII May 24, 2011
Get a Backwards Thrust mug for your coworker Jerry.
Jun 4 Word of the Day
The phenomenon of having to come out as bisexual to the same person/people repeatedly because they assumed or hoped that your sexuality was a "phase." Refers less to the holiday and more to the 1993 Bill Murray comedy film in which the main character experiences the same day over and over.
"My visit home turned into Bisexual Groundhog Day. My mom acted shocked when I told her I'm going to Pride next week, so I had to come out to her as bisexual AGAIN."
by Tiggy Upland April 15, 2014
Get the Bisexual Groundhog Day neck gaiter and mug.