When you're the most bad-ass person to ever walk the streets of El Paso, Texas, or when you're just too intense for everyone. Also can be used plural.
Abbreviation: UBA
Abbreviation: UBA
"Hey man look at the ultimate bad-ass show off his car. That fucker."
"We are the ultimate bad-asses, no one can fuck with us.
"We are the ultimate bad-asses, no one can fuck with us.
by Alphadestrious June 10, 2004
Holy shit, the football team scored a point under a minute on the 4th quarter! The other team has no other choice but to go balls out, dude!
by Alphadestrious January 03, 2004