One of those guys, usually in their forties, who wear blinking bluetooth ear pieces all the time, everywhere. When looking at them, it is impossible to tell if they are talking to you or some other earplant on their phone. Earplants tend to be nerdy, corporate wannabees, and they think that the bluetooth headset makes them look professional. Well, news flash: it doesn't. It is just annoying.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.