Guy 1. Hey do you see that can of beans over there?
Guy 2. What?
Guy 1. The group of Mexicans over there that’s a can of beans
Guy 2. I’m going to beat you with a fish
this is usually not used as an insult. This sentence is used among hillbillies and rednecks to call each other sexy and//or arousing .
Brother: hey pork chop ;) , oh baby you really are a slutty can of beans.
Sister: thanks pumpkin pie, I could grind up on that red neck of yours all day.