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1. Ultimate bad ass
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
"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.
by Alphadestrious Jun 9, 2004 add a video
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