keister

or kees·ter

[ kee-ster ]

nounSlang.
  1. the buttocks; rump.

Origin of keister

1
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.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for keister

keister

keester

/ (ˈkiːstə) /


nounslang, mainly US
  1. the rump; buttocks

  2. a suitcase, trunk, or box

Origin of keister

1
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