keisterEnglishOxford New American Dictionarykeister /ˈkēstər, ˈkistər / (also keester) ▸ noun 1 North American informal a person's buttocks: I've had it up to my keister with all these leaks. 2 North American informal, dated a suitcase, bag, or box for carrying possessions or merchandise. – ORIGIN late 19th century (in keister (SENSE 2)): of unknown origin.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary