keister

or kees·ter

[ kee-ster ]

noun

, Slang.

1. the buttocks; rump.

keister

/ ˈkiːstə /

noun

1. the rump; buttocks
2. a suitcase, trunk, or box

Word History and Origins

Origin of keister¹

1880–85; earlier, as underworld argot, handbag, suitcase, safe; of obscure origin, but words meaning “chest, box” are frequently adduced as sources, e.g., kist, German Kiste, Yiddish kestl, etc.

Word History and Origins

Origin of keister¹

C20: of uncertain origin

Example Sentences

Gregg points to the old medieval remedy of rubbing a rooster’s keister on a snakebite wound.

From New York Times

There’s no more motivating word for us than “no” — it lights a fire under our keisters.

From Washington Post

So a few weeks ago when the decorated folk rocker mentioned she had some “wild surprises” in store for her second annual Gorge Amphitheatre takeover, we assumed she wasn’t just blowing smoke up our keisters.

From Seattle Times

I watched Ted Leonsis, just in case he slipped on his keister.

From Washington Post

Along the way, Pippi learns how to get a mohawk to stand up even if your hair is naturally fine, how to perform a believable “keister bounce” and how to defeat the Ku Klux Klan.

From Washington Post