When a mentally retarded person (i.e. a mongoloid) lets their retardation take control and they begin screaming profanities that only other mongoloids can understand. It often activates all other mongoloids in the area and creating a chain reaction of retardation.
Broh do u see dat mongoloid? He's gon go mongolian if someone touches him again.
by Unpopular Opinions October 2, 2017
Get the Go Mongolian mug.
When your boss asks you out to lunch so he can murder you and play "Weekend at Bernie's" with your corpse.
Donald Trump wants to do lunch, but I'm afraid he might go Mongolian.
by Apollo1 August 9, 2011
Get the go Mongolian mug.