Origin: 1940–45; earlier in form bulldike (with a var. bulldagger); of obscure orig.; claimed to be a shortening of morphodyke (var. of morphodite, a reshaping of hermaphrodite), though morphodyke is more likely a b. morphodite and a pre-existing dyke; other hypothesized connections, such as with diked out or dike “ditch,” are dubious on semantic grounds
n. a lesbian; a bulldiker.(Rude and derogatory.) : Who's the dike in the cowboy boots?
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source
dikey
and dykey
mod. in the manner of a lesbian; pertaining to lesbians. (Usually objectionable.) : She walks kinda dikey, doesn't she?
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source
Word Origin & History
dyke
1931, Amer.Eng., probably shortening of morphadike, dialectal garbling of hermaphrodite, but bulldyker "engage in lesbian activities" is attested from 1921, and a source from 1896 lists dyke as slang for "the vulva."
[dahyk] 
