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1.
a result of rough anal, which leaves the anus black and bruised, resulting in the brown eye resembling a panda's eye.
"oh my god i have the mother of all ass panda"

"we got carried away last night, you should see my ass panda"
by daisy27 August 26, 2006
 
2.
Somebody who is particularly annoying; a term to express extreme displeasure.
GAH, zack is being really pissy today... what an ass panda!
by alkaseltzer wash August 25, 2006