piss-gassed - the affect one experiences when he reaches the urinal too soon after the prior pisser and inhales noxious fumes. Affect is increased when prior pisser is taking supplements or meds.
Jethro: Dude, I nearly passed out today at work.
Ned: What happened?
Jethro: I stepped up to the urinal and got piss-gassed...I guess I didn't let the air clear.
Ned: That's sick, you gonna make it?