The act of being so incredibly drunk that you would probably run up and down the streets naked and have no fucking clue what happened the night before when you woke up the next morning.
One who is extremely repulsive. This insult may also be used in completely irrelevant situations as well, which do not conform to its formal definition.
A person who is struck by a debilitating case of diarrhea, explosive or otherwise, and has the misfortune of other stomach related ailments. While relieving said diarrhea the individual is overtaken by the sudden urge to vomit and is forced to do so into the already poo contaminated water. Upon contact with the water’s surface the projectile vomit splashes the contents up into the individuals face… they have just been shitfaced.
Dude, I can't go out with you tonight my stomach feels awful, plus I need a shower I just shitfaced myself in the bathroom.