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loco

[loh-koh] /ˈloʊ koʊ/
noun, plural locos.
1.
2.
Slang. an insane person; maniac.
3.
Veterinary Pathology, locoism.
verb (used with object), locoed, locoing.
4.
to poison with locoweed.
5.
Slang. to cause to be insane or crazy.
adjective
6.
Slang. out of one's mind; insane; crazy.
Origin
1835-1845
1835-45, Americanism; < Spanish: insane
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for locos

loco1

/ˈləʊkəʊ/
noun
1.
(informal) short for locomotive

loco2

/ˈləʊkəʊ/
adjective
1.
(slang, mainly US) insane
2.
(of an animal) affected with loco disease
noun (pl) -cos
3.
short for locoweed
verb (transitive)
4.
to poison with locoweed
5.
(US, slang) to make insane
Word Origin
C19: via Mexican Spanish from Spanish: crazy

loco3

/ˈləʊkəʊ/
adjective
1.
denoting a price for goods, esp goods to be exported, that are in a place specified or known, the buyer being responsible for all transport charges from that place loco Bristol, a loco price
Word Origin
C20: from Latin locō from a place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for locos
loco
1844, Amer.Eng., from Sp. loco (adj.) "insane," of uncertain origin, perhaps from Arabic lauqa, fem. of 'alwaq "fool, crazy person." Loco-weed (1879) was name given to species of western U.S. plants that cause cattle and horse diseases that make them stagger and act strangely.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for locos

loco 1

adjective

Crazy; nuts: He took one look and just went loco (1887+)

noun

: She's acting like a loco

[fr Spanish, ''insane'']


loco 2

noun

A locomotive (1940s+ Railroad)


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Word Value for locos

7
9
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