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no siree Bob

An emphatic American colloquial negative — a more colorful version of 'no way' or 'absolutely not.' The 'siree' is a folksy intensifier derived from 'sir,' and 'Bob' is a genericized name added for rhyme and rhythm.

ˈnoʊ ˈsɪɹi ˈbɑb138 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

An emphatic American colloquial negative — a more colorful version of 'no way' or 'absolutely not.' The 'siree' is a folksy intensifier derived from 'sir,' and 'Bob' is a genericized name added for rhyme and rhythm. Used to stress total refusal or disagreement, often with humor or mock severity. Most common in rural or Southern American speech.

'Are you going skydiving with them?' 'No siree Bob — you won't catch me jumping out of a perfectly good airplane.'
Origin: Extended form of 'no sirree' (emphatic no); 'Bob' added for alliterative/rhyming effect. Editorial expansion authored on Slangora.
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#2·Apr 27, 2026

(US, colloquial) Definitely not; no way.

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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

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