[ping-koh]Older Slang: Disparaging.
noun, plural pink·os, pink·oes.
a person with left-wing, but not extreme, political opinions.
a person who leans toward communist ideology.
Origin of pinko
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for pinkocomrade, sympathizer, red, Marxist, pinko, Commie, apparatchik, Socialist, Bolshevist, Trotskyite, Bolshevik, Maoist, Stalinist, Leninist
noun plural -os or -oes mainly US derogatory
a person regarded as mildly left-wing
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
1936, derogatory slang form of pink (n.), used of people whose social or political views "have a tendency toward 'red;' " a metaphor that had existed since at least 1837. As an adjective by 1957.
Online Etymology Dictionary, © 2010 Douglas Harper