Definitions by SuperSoaker

passenger header 

the person in the passenger seat, who performs oral sex to the driver while driving

“Oh man, she was a passenger header last night!”

“She took the passenger header role so serious last night”

passenger header by supersoaker April 27, 2023

PSR 

Stands for Parallel Synchronized Randomness, Internationally known Graffiti Art Crew created by K Otik, Frolic, Sekr, and Slak.

Dang, that PSR piece on the store wall is tight!

PSR by SuperSoaker November 3, 2007