Billy-oh

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    The greatest extent or degree of something; used in comparisons to indicate a superlative. dated, slang, uncountable

    "I bashed my thumb with a hammer, and it hurts like billy-oh."

Example

More examples

"I bashed my thumb with a hammer, and it hurts like billy-oh."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.