Prisoner of stink. When you hug or detain someone while farting, making them a prisoner of a bad smell. Also applicable when farting in a confined location, such as an elevator.
I was so mad at her last night I made her a P.O.S. and there was nothing she could do about it!
Post Orgasm Stupidity - After an orgasm often times one's brain does not function at a high level. Basically being stupid after getting off, or being speechless.
Last weekend, while house sitting I experienced P.O.S. by forgeting to dispose of the condom wrapper before the owners returned.
A term that Gamers often use as Parent.Over.Shoulder so that the people you are playing with know that there's a mom or dad over a fellow Gamer's shoulder.
Mom - "honey do you want some popcor-"
"what are you playing now,Call of cutie?"
"Galactic ...Shark....who is Galactic shark huny buny"
Gamer - "Gentlemen we have a P.O.S. on our hands"
Mom- "honey Whats a P.O.S. ?, Is it an internet meanie?"
Gamer - "Yeah mom(lied)