dirty mexican produce means: NAFTA is a wonderful side effect of this fuckadillo. Produce from Mexico where human waste is used as fertilizer. This causes various illnesses among the unsuspecting gringos including Hepatitis, Salmonella, and Hepatitis. The United States’ tomato industry is being decimated by this inferior and cheap product, along with many other types of agriculture. (in Community Dictionary, added by Leticia Wong)