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monkeys might fly out of my butt

(North America, slang, vulgar) A response to a suggested situation that one thinks has no chance of ever occurring.

Documented since 1990s1990sMillennialhistorical100 viewsLast reviewed Jun 29, 2026+ Add a definition
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Born ~1992 · no dated citations yet
1992BornToday, 2026
Millennial / early-internet eraSee decade cohort →

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Avoid at work
#1·Apr 27, 2026

(North America, slang, vulgar) A response to a suggested situation that one thinks has no chance of ever occurring.

''‘I am sure he'll pay you back tomorrow.’ ‘Yeah right, and monkeys might fly out of my butt''.’
Origin: Popularized by the 1992 film ''Wayne's World''. Likely a variation on pigs might fly. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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