keister

or kees·ter

[ kee-ster ]
/ ˈki stər /

noun Slang.

the buttocks; rump.

Origin of keister

1880–85; earlier, as underworld argot, handbag, suitcase, safe; of obscure origin, but words meaning “chest, box” are frequently adduced as sources, e.g., kist1, German Kiste, Yiddish kestl, etc.

Words nearby keister

Example sentences from the Web for keister

British Dictionary definitions for keister

keister

keester

/ (ˈkiːstə) /

noun slang, mainly US

the rump; buttocks
a suitcase, trunk, or box

Word Origin for keister

C20: of uncertain origin