US Military slang for "that's gay" which the US Military is no longer allowed to say. Commonly used to describe something in a negative manner. Also interchangeable with fucked up, FUBAR, stupid, and lame.
1. CPT: Sergeant, we need forty people to carry the general's luggage.
SGT: That is so 920
2. PVT #1: Dude! We have a GI Party tonight. And it's god damn Friday.
PVT #2: Man, Top is so 920.
3. LT: Sergeant, I want to talk to you about my feelings on the upcoming inspection.
SGT: Sir, quit being so 920 and man up