umboboi 

group of pipol that are badass and do fucked up things at the same time

bing boy, honey boi, joshi boi, bry boy, and jcock wait we forgot quinton(obama) are the umbobois because their badass and they do fucked up things at the same time.

umboboi by george st. pierre June 9, 2009

Umbobo 

Delicious; delish!

"Did you like the fish tacos, Florian?"
"Umbobo!" (giving thumbs-sign while grunting and perhaps emitting an appreciative belch.)

Umbobo by Calcification January 6, 2004