STFUNBIH 

Stands for Shut The Fuck Up Nigga Burn In Hell

Person 1: Bro just dropped a new diss track on you it will be more fire then your mom's cremated ass.
Person 2: Bruh STFUNBIH

STFUNBIH by CertifiedRacismman June 15, 2021

STFUBIHY 

Shut the fuck up before I hurt you.

You hear me b****!!!!!! STFUBIHY S*** the f*** up before I hurt you!

STFUBIHY by RogerN27 December 16, 2023