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loco

adverbadjectivenounverbnounattested in dialogue

  • United Kingdom//ˈləʊ.kəʊ//

A direction in written or printed music to be returning to the proper pitch after having played an octave higher or lower.

adverb

  1. 1

    A direction in written or printed music to be returning to the proper pitch after having played an octave higher or lower.

Etymology

Borrowed from Italian.

adjective

  1. 1

    Crazy.

    It's Cottontail Smith, and he's gone plumb loco!

    Going loco down in Acapulco / If you stay too long / Yes, you'll be going loco down in Acapulco / The magic down there is so strong

    Who you trying to get crazy with ése? Don't you know I'm loco?

    Holla in New York, fo'sho they'll tell you I'm loco

  2. 2

    Intoxicated by eating locoweed.

Etymology

From Spanish loco (“insane, crazy; loose”).

noun

  1. 1

    A certain species of Astragalus or Oxytropis, capable of causing locoism.

verb

  1. 1

    To poison with the loco plant; to affect with locoism.

  2. 2

    To render insane.

    They say that he is locoed. The insane asylums of California contain many shepherds.

noun

  1. 1

    Variant of locomotiveinformalShort for locomotive.

    Small boys in 1963 could have traction engines with real steam coming out of the funnel, and Old Western locos had flashing lights, hooters and cow-pushers.

  2. 2

    Variant of locofocohistoricalShort for locofoco, in its various senses.

    Like his fellow Young American locos, Thomas Dorr was an early and vigorous advocate of global republicanism and William Leggett’s locofocoism, though this point is little-known and less emphasized in histories of the Dorr Rebellion.

Etymology

From clipping of locomotive and locofoco, both from Latin locus (“place, cause”).

Forms

plural
locos, locoes
comparative
more loco
superlative
most loco
past tense
locoed
past participle
locoed
present participle
locoing
third person singular
locos
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).