alter-kacker n. Yiddish (AHL-ter COCK-er) A vulgar expression, literally meaning “old shitter”; equivalent to the English expression “old fart.” Used to describe a fussy, crotchety old man, or sometimes a dirty old man. Sometimes abbreviated as “A.K.” Old-fashioned usage.
Eisenberg, J., Scolnic, E., & Jewish Publication Society. (2001). The JPS dictionary of Jewish words. Over 1000 entries for Jewish holidays and life-cycle events, culture, history, the Bible and other sacred texts, and worship. Each entry has a pronunciation guide and is cross-referenced to related terms.; “A JPS desk reference”–cover. (5). Philadelphia, PA: Jewish Publication Society.