Green’s Dictionary of Slang

(Aus./US) the penis.

1940s		in E. Cray Erotic Muse (1992) 211: She swallowed his pride; he buggered the bride.
1950		N. Cassady letter in Charters (1993) 204: I almost tore off my pride-and-joy as I wiggled out.
1960		in E. Cray Erotic Muse (1992) 277: So I pulled out my pride of New York. / It fitted in just like a cork.
1964		B. Jackson Get Your Ass in the Water (1974) 139: I went to her body with my pride in my hands.