To become so shit-housed that you forget virtually, if not everything, which happened the night before. Taken from the T.V. show "Heroes" in which "The Haitian" wipes people's memories clean.
Dude 1: "Wow! I was fucked up last night! How the hell did my pants get on the roof?"
Dude 2: "You went Haitian, huh?"
Dude 1: "Totally".