“To put you at ease, we have recreated the most common spawning locations of your species. You may choose either, the back seat of a Camaro, an airplane bathroom, a friend’s wedding, or the alley behind a porno theater.” – Kodos
"Lisa's in the back seat of a camaro getting fingered by some guy who's never gonna call her again cause she threw up while she came." – Dov
"Lisa's in the back seat of a camaro getting fingered by some guy who's never gonna call her again cause she threw up while she came." – Dov
by randomguy908727 August 16, 2011

While having sex in the doggy style position, the girl reaches back in-between her legs and plays with the guys balls.
1- "Dude she gave me the Back Seat Driver last night"
2- "Nice! How was it?"
1- "She totally caught me by surprise and made me cum. It was bossy!"
2- "Nice! How was it?"
1- "She totally caught me by surprise and made me cum. It was bossy!"
by Noodle_Lips June 2, 2011

See: Paris Hilton shifting in the back seat of a '68 Camaro.
... for fucks sake, Back seat shifting.
... for fucks sake, Back seat shifting.
by Louis_Cali July 31, 2007

staining the back seats is when you engage in sexual activity in the back seats of a car. In most cases, stains are left from the sexual activity the occurred in the back seats, hence the name, "stain" the back seats.
Chris asked Stacy if she wanted to stain the back seats with him and she rejected him and called him a pervert.
by h0ttsAuCE808 October 6, 2009

Tyler's mom is a back seat bitch, in fact last night i fucked her in the back of my geo metro. I had a charlie horse all week!
by analboy69x89 February 22, 2009

Sex postion involving three men a women and a car. The woman sits reverse cowgirl on the first man in the middle backseat while giving handjobs too the other 2 guys that are in the driver and passenger seats.
by crackaty January 10, 2011

An annoying twat who sits behind you just watching you browse the internet or my documents. Anything. Anything they can get their watchful eyes onto. This could be you brother, your best friend or a stranger at the libary.
Person 1: What's Tim doing.
Person 2: oh he's just Back-seat Browsing on Percy over there.
Person1: Does Percy know?
Person 2: Hell no man, otherwise he would be so pissed.
Person 2: oh he's just Back-seat Browsing on Percy over there.
Person1: Does Percy know?
Person 2: Hell no man, otherwise he would be so pissed.
by The hidden undermass June 23, 2011
