The principle stating that people who say that they are "soo drunk right not" are usually fairly sober, while people who say they are "not that drunk" are usually highly intoxicated.
Max: Dude, I swear I'm not that drunk.
Sam: You just pissed in our trashcan asshole. I think you're pretty fucked up right now.
Kyle: Yeah he's gone. Perfect example of the Inverse Intoxication Principle.
A fun term to be used in place of "drunk texting", because "drunk texting" is just a boring way of saying it; coined by Sean Davidson, master of the Intoxitext.
"Dang, i'm drunk! Give me my phone! I'm going to intoxitext the shit out of everyone!"