Jumpout

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A separation from a groove, track, etc., that otherwise constrains motion.

    "Encroachment into potential flood avenues resulted in jumpouts, flooding, and extensive siltation."

  2. 2
    A ramp or other construction that allows wildlife to exit safely from a freeway, highway, etc.
  3. 3
    An unofficial trial race. Australia

    "The few who attended Tuesday's important Lightning Stakes jumpouts at Flemington on Tuesday may have been put off by Swick's lethargic display."

  4. 4
    A plainclothes narcotics officer. US, slang

    "“Well, I figured if the jumpouts came they wouldn′t search her,” says Rosa Lee. “They′d search me but they wouldn′t find nothing.”"

Example

More examples

"Encroachment into potential flood avenues resulted in jumpouts, flooding, and extensive siltation."

Etymology

From jump + out.

Related phrases

jump out

More for "jumpout"

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