Marshall: Robin, your revertigo is really starting to affect your work.
Lily: What's revertigo?
Ted: It's a stupid, made-up word with no meaning.
Marshall: No. It's a phenomenon where, when you're around people from your past, you start behaving like them.
Lily: Oh. One example of that springs to mind. I think we all know what it is.
Marshall: You do?
Lily: Yeah. Ted.
Ted: Me?
Lily: Whenever Ted's friend Punchy comes into town, it's like, all of a sudden, Ted's in high school again.
Ted: Okay, okay. First of all, his name is Adam Punciarello, and I don't do that.