A fork of Rural Dictionary
The act of sharing any potatoe based food item between 2 or more people.
Guy: He babe, want to be tatermates? Girl: Sure, the fries here smell pretty good.
A guy that a extremely hot girl wants to date likes but he has little to no interest in dateing her.
Blake: I don't know why Tate won't date Carsynn." Andrew;"I know. He's such a Tatermate."