backseat blowing

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"

backseat blow torch

The act of preforming oral sex in the back seat of a car multiple times

Omg Tiffany is such a backseat blow torch. She blew Ryan in the backseat of his car like 8 different times.