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sicko

[sik-oh] /ˈsɪk oʊ/
noun, plural sickos. Slang.
1.
sickie (def 1).
Origin of sicko
sick1 + -o
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for sicko

sicko

/ˈsɪkəʊ/
noun (pl) sickos
1.
a person who is mentally disturbed or perverted
adjective
2.
perverted or in bad taste: sicko prurience
Word Origin
C20: from sick1 (sense 5) + -o
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 sicko
n.

1977, from sick (adj.) in the mental sense + ending as in weirdo. Sickie "a pervert" is attested from 1972, and cf. sicknik (1959) "pervert, obscene comedian" (applied to Lenny Bruce), with fad ending -nik.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for sicko

sickie

noun

A mentally unhealthy person; a psychopath: It was not considered very kosher to toss out the sickies once they had taken their final vows/ Only sickies get involved with married women (1973+)

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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12
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