Quote from Barney in Swarley
Ted: All right, there's only two reasons she'd laugh at that. One, it's the first joke she's ever heard, or two, she likes you. You should totally ask her out. Marshall: You think? Ted: Yeah, that why you're not back with Lily, right? So you can experience what it's like to be single. Marshall: Well, what if the heart doesn't mean anything? What if she writes it on all the cups? Ted: Mine says "Ted," no heart. Barney: Mine says "Swarley." How'd they get "Swarley" from "Barney"? It's not even a name. Who would ever be called "Swarley"? [Ted and Marshall look at Barney] Oh, please don't start calling me "Swarley." This would never happen at a bar! [Barney storms off]