being completely off your face, so much so that you fart uncontrollably
Eh Will, I must've been pissed as a fart on Friday, I tried to Rugby tackle Martin in the pub!
by AlexRugger April 30, 2007
Absolutely wankered drunk. Unable to communicate effectively, sometimes through laughter and farts.
"Jaysus Sarah, I was doing handstands last night in the pub, I was pissed as a fart!!"
by bearhugstef October 11, 2013