Top Definition
Main Entry: Up•er•ass•er

Function: adjective
1: Someone who is constantly up your ass.

2: Someone who is up their own ass.
“That guys is always orbiting that hottie, he is such an Uperasser!”

“That guy does nothing but brag about himself he is a total Uperasser”

“She thinks she is so hot she won’t get out her own ass, everyone thinks she’s an Uperasser”
by Serial Shade May 17, 2010

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