When someone offers you offer an absurd amount for an item that’s for sale. Usually done by Hispanics, Mexicans, Puerto Ricans
Item for 1000
Pedro: “ ¿Sigue disponible? 300 cash”
Mark: “how about no, and speak English”
Pedro: “400 cash right now”
Mark: “not happening, I don’t have time for your Puerto Rican lowball”