Un-RenandStimpeyian
One who does not watch Ren and Stimpey or know who those two people are...
Person 1: "He doesn't know who Ren and Stimpey are?!"
Person 2: "Yeah, I know...what a douche!"
Person 3: "Yeah, he's an Un-RenandStimpeyian!"
Person 2: "Yeah, I know...what a douche!"
Person 3: "Yeah, he's an Un-RenandStimpeyian!"