When you put two foods that are made from the same base food together, some examples are:
Ketchup and salsa (Why?)
Hot dogs and pork ribs (Understandable, you can put a condom on a hotdog)
Rice and cereal (What is wrong with you?)
Person one: DUDE STOP PUTTING RICE IN YOUR CEREAL Person two: Just try it, it tastes good I swear *-*
Person one: IT'S NOT EVEN COOKED, ANYWAYS THAT'S FOOD INCEST!
When professionals aren't hide for their skill but for political reasons of power, wealth, property and prestige.
The United Nations is run by a bunch of people who are into professional incest because they each think political aspirations are more more important than genuine human suffering.
The act of having pure, heterosexual, vanilla sex with a partner that is not related to you in any way. No pissing, shitting, violence, or whatever other unspeakable ask that could be thought of.
West Virginian 1: I got laid last night.
West Virginian 2: With who?
West Virginian 1: Gabriella BigTits
West Virginian 2: Bro, that's some crazy West Virginia incest.