The act of parenting when the children are not yours. Often happens in a very public place where peoples parenting skills are on display to random people.
Snikklefritz Larry, you're kicking sand all over me you little frolfer.
bystander 1 Geez that's some lousy parenting
bystander 2 Your backseat parenting is getting out of hand
bystander 1 Geez that's some lousy parenting
bystander 2 Your backseat parenting is getting out of hand
by popalsquatch August 20, 2012

To perform fellatio, which usually takes place in the back of means of transports (Train/Bus, Cars) and is known to be a sexual pleasure in the human nature.
"How did your date went?"
"Oi i was driving in 2 Birds in a 3 Seater, she couldn't blow me tho"
"HAH, so no backseat blowing for you"
"Oi i was driving in 2 Birds in a 3 Seater, she couldn't blow me tho"
"HAH, so no backseat blowing for you"
by mrks_az July 9, 2021

To hangout with a girl but then she brings her best friend along who then goes onto to lock you out of all conversations and if your in a car put you in the backseat.
by Skitts24 February 10, 2015

by Samuri 99 May 5, 2003

a sex position involving three people, usually two male and one female. one man enters the girl from behind; she is on her hands and knees. this man holds her hair and controls her head on the third person, who receives oral sex.
by 99escapee January 5, 2011

Sometimes referred to as a cum-and-run, a backseat bail is the act of having sex with a girl in the doggy-style position, finishing, and then running away before she turns around.
So I was fucking this chick last night, and as I sobered up I remembered she was ugly as fuck, so I grabbed my clothes and backseat bailed on her.
by Medway April 26, 2010

by utjhawk January 1, 2012
