When you discover you doppelgänger on a porn site

Someone who dates people who all look extremely similar.
When you have a type... and it's very specific.

Having someone who looks enough like you to be able to switch mid coitus. A person to pull the switcheroo with.

1. A look alike used for sexual purposes or to film porn parodys. 2. An individual used as a rebound because they resemble your ex. 3. Someone used sexually or dated because of their resemblance to someone else.