- (verb) to become very serious about something; usually during a combat situation
- a more controlled form of going ape shit
- a more controlled form of going ape shit
- "Bro, this guy's about to go NATO."
- "You should have seen it, it was close for a while then Frank just fucking went NATO on that guy!"
- "You should have seen it, it was close for a while then Frank just fucking went NATO on that guy!"
by FreezerWarfare June 27, 2020