The medical condition you get when you have just finished polishing of a family size bag of the nacho cheese flavored doritos and you have all the cheese on your fingertips, giving it an orange flavor. The only known remedies are sucking on your finger until the cheese comes off, or wiping off the cheese on your pants.
Person 1: "Hey man, you wanna play rock paper scissors?"
Person 2: "Nah bro, I got a bad case of dorito finger"
Person 1: "Dude can I play some Xbox now?"
Person 2: "As soon as you get rid of your dorito finger, I dont want the controller to turn orange."
When a person with short, fat fingers fingers a girl after eating Doritos. He will never wash his hands.
Did you hear about Paulie? She got Dorito fingered by her boyfriend!