A word used by obnoxious people (usually named Brent) that has no real definition at all, and is often used loudly, proudly, and makes anyone who say it sound completely ridiculous.
Idiot: "I don't have anything better to say, so Ima say, 'NERKLER!'"
An actor who had ONE good movie (Ferris Bueller's Day Off) and has done a terrible job of acting in every other movie since then.
Guy 1: "Wow, Matthew Broderick has to be the most unconvincing and boring actor on the face of the planet."
Guy 2: "He may even be more boring than Keanu Reeves..."
Guy 1: "That's...quite impossible, actually."