(n.) Pronounced "NT Squared" A abbreviation for the words "Number Two Squared," Commonly used when a group of males are around females and don't want to say I have a diarrhea attack. This is a nicer way to say it. If one of your friends say NT2 you should quickly and camly take them to the nearest rest room as soon as possible.
John: Dude... NT2
Tony: Oh yeah dude lets go get that game at your house good idea, girls we will be back!
John: DUDE NT
Tony: Oh thats fine we are twenty minutes away from home we are almost there
John: NO NT2!!!
Tony: Holy Shit, I will stop at the nearest mcdonalds!