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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for keister

British Dictionary definitions for keister



/ (ˈkiːstə) /

noun slang, mainly US

the rump; buttocks
a suitcase, trunk, or box

Word Origin for keister

C20: of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012