knew one's ass from one's elbow

A form of know one's ass from one's elbow — Synonym of know one's ass from a hole in the ground.

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Meanings

verb
  1. pastsimple past of know one's ass from one's elbow
Cite this entry
APA

knew one's ass from one's elbow. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/knew%20one's%20ass%20from%20one's%20elbow

MLA

“knew one's ass from one's elbow.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knew%20one's%20ass%20from%20one's%20elbow. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “knew one's ass from one's elbow,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/knew%20one's%20ass%20from%20one's%20elbow.

Source: knew one's ass from one's elbow on Wiktionary, CC BY-SA 4.0.