A name used to be called at a friend or person that is too poor or cheap to buy real quality brew and instead he/she grabs malt liquor Forty Ouncers.
Normal person: Yo guy pitch on a 24 with me of like Canadian or Bud or something like that.
Forty Steve: Nah screw that i only got 5 bones im grabbin a forts.
Normal person: ahh fuck off you forty steve! I hope your OE got pissed in by the dirty foreign exchange student OE brewers.