U'mba 

Used in Sinhala.
You. Slightly more informal and rude than oyaa but still casual and used in friend groups.

Plural:

U'mbalaa

"U'mba monaa karanawa da manda!"
"U'mba maara pissek bang."

U'mba by Definer of Shuddha Sinhala March 23, 2023

U MBA 

Usless MBA, someone who has an MBA but not the real world skills and to hold down a job which utilizes thier education.

MBA who works in a job that doesn't require even a bs degree.

Dude, that Barista has an MBA
--Make that a U MBA

U MBA by dander56 February 14, 2012

umbai 

UMBAI MEANS BYE BYE IN TY THE GUY, POUDII, AND BLACK CHARCS DICTIONARY.

"ESSI HAS A FAT ADS UMBAI".

umbai by LIONNETHEGREAT July 16, 2018

umbartto 

A group of Eshays

I was at the skate park and I saw an umbartto

umbartto by Eshay_Master October 23, 2020

umbatz 

Italian in origin this means crazy, fucked in the head.

This guy is a little umbatz

umbatz by Greg Hill October 20, 2007

umbai 

A word standing for the movement Yung Charc aka. BlackCharcoal started. The definition of Umbai is: Umbaiwambai tumbai mawebaiUmbai gumbai yumbai

The big secret I've gotta tell you guys is.... Umbai! Follow @blackcharcoal on IG follow me @phvso on IG

umbai by IG @Phvso July 17, 2018

Umbasa 

Came from a Video game "Demon's Souls". Umbasa most likely refers to whatever God Saint Urbain and his followers believes in.

similar to saying "Amen" or "bless you" or "Thank god".

But have no fear, God will cleanse us of evil.
Pray with me.
Umbasa.

Umbasa by Black knife assassin June 15, 2022