Green’s Dictionary of Slang

1. the penis.

1890–1904

Farmer & Henley Sl. and Its Analogues.

2. (US/South) a cunnilinctor.

1964

R.D. Abrahams Deep Down in the Jungle 214: [O]ld dirty slim, was what you would, call a bushwhacker, a nose diver, a canyon youdler, well in other words a cocksucker, or just say that he ate pussy.