To get very angry or upset. Usually upset enough to throw or hit your desk.
David: "Did he just rage quit?"
Jon: "Nah he just left to go throw desk."
Emma: *leaves call*
Andrew: "She just threw desk."
To be afraid of sharing your music interests with other people.
Emma: "Hey do you know what kind of music Jon listens to?"
David: "Yeah, but he doesn't like to tell people because he's music shy."