Green’s Dictionary of Slang

dick n.6

[play on cock n.4 (1); the clitoris, being phallic, is linked to US black use of dick for penis, cock being used for vagina]

(US) the clitoris.

[US]B. Jackson Get Your Ass in the Water (1974) 115: Even a cold-blooded dope fiend need a second chance. / Turn him on and he’ll talk some shit, / suck a pussy and give a ditch dick a fit. [Ibid.] 148: There was Little Miss Vi from the Windy City of Chi, / she had a dick [clitoris] so long she had to be circumcised.

In phrases