To display prodigious talent or wealth; floss; ball; showboat; show-off.
"Critics wonder will I last long/Even though I show my ass on my last song"- Rick Ross, "Cross That Line"

"I let my pants sag (why)/so I can show my ass (kiss my ass)" -- Jim Jones, "Reppin' Time"
by Dollar Wells February 5, 2007
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A figurative expression of rage.
"I showed my ass at the airport yesterday when they canceled my flight to Denver"
by Dr. Jodi M February 10, 2010
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