Green’s Dictionary of Slang

chorizo n.

[Sp. chorizo, a a fermented, cured, smoked sausage]

(US) the penis.

[US]‘S. McBride’ Chicken Ring 40: ‘Will you fuck me? I think you must have a very big corizo, and I want you to drive it deep into my culo’ [Simes:DLSS].
[US]J. Ellroy Widespread Panic 96: ‘I shivved that mex who whipped his chorizo out on me’.