no siree Bob

interjection

Definitely not; no way.

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Meanings

interjection

alternative no siree, Bob · alternative nosireebob

  1. colloquialDefinitely not; no way.

    No siree, Bob, we are the only ship in three million clicks.

    2015 November 23, Mark Fergus, Hawk Ostby, “Dulcinea”, in The Expanse, season 1, episode 1, spoken by Alex Kamal (Cas Anvar)

Origin

no sir + Bob (“God”)

Full word history & related roots →
Cite this entry
APA

no siree Bob. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/no%20siree%20Bob

MLA

“no siree Bob.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/no%20siree%20Bob. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “no siree Bob,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/no%20siree%20Bob.

Source: no siree Bob on Wiktionary, CC BY-SA 4.0.