Umfbf 

Your my future boyfriend

Kyle I’m just letting you know umfbf

Umfbf by Kynslee21 August 22, 2021

UMBFF 

ULTRA. MEGA. BEST. FRIEND. FOREVER.

is leuheya your umbff? duhh she’s the best.

UMBFF by umbffben April 28, 2019

UMFB 

Abbreviation for; Ugly- Mother Fucking Bitch. Used mostly by people mad at another

This UMFB called my mom fat.

UMFB by Urban Dictionary #666 December 31, 2016

Umfufu 

A bushwoman with an attitude. Most commonly found in the kitchen, where she is to make sandwiches.

Girl: "I'm so pretty and supercool!"

Boy: "Shut up, Umfufu, and go back into the kitchen"

Umfufu by and1adtv February 22, 2011

umff 

humpage. between 2 people.

umff! umff! umff! umff!

umff by guru July 15, 2004

Umbff 

Ultimate mega best friend forever

Morgan is my umbff.

Umbff by Mello83420 August 3, 2017

umbfu 

you must be fucked upp

girl- u answered
boy-umbfu

umbfu by yogirlll November 17, 2021