When you are so desperate that you will give the go ahead or "greenlight" to any girl willing to do you. Even really skanky ones. abb. PGS
"Dude you must be on permanent greenlight status, you were gonna bang the girl with the messed up teeth."
When you are so desperate that you are willing to bang any chick even ones with messed up grills. abb. (PGS)
"You must be on permanent greenlight status cause you were fuckin the shit out of that uggo last night"