butt-kicker

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butt-kicker

Someone or something that outshines or surpasses everyone or everything else. This new system is a total butt-kicker—we've never gotten so much done in one quarter before.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

butt-kicker

and ass-kicker
n. someone or something capable of defeating or surpassing all others. That idea is a real butt-kicker. He is an ass-kicker, but he at least rewards us for putting up with him.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
After reading about the Flag Hill Trail in "Northern California Weekend" (January, page 19, Northern California edition), a few friends and I wanted to experience a butt-kicker of a hike.