An exasperation usually expressed (with any combination of eye-rolling, head shaking, and/or grimace) upon learning of some new asinine urban slang or bastardization of the English language by a member of Generation Y.
Dave: Okay. Who says that?
Gary: T used it yesterday and I didn't get it. She explained what she meant, then I found it on urbandictionary.com
Dave: who does T know that started using serial?
Gary: she has young people at her work
Gary: My recent favorite is CLAMF
Gary: co-workers looking at me funny
Dave: future fucking leaders of america