urban dictionary: "Get the fucking mug you idiot. We are going to come to your house and kill you if you do not get the fucking mug."
someone: "okay okay stop"
Extraordinarily angry. Can be triggered by traumatic events that disrupt your most basic sense of self worth such as getting fired, getting raped, losing a loved one. If you are emotionally unbalanced like me this can be caused by events as trivial as being cut off in traffic, or getting a B on your final exam.
If you want to start shooting random people in the face with a nail gun you are probably fucking pissed off.
Fucking clown is one of three things, a literal, fucking clown, or a clown you decided to add the word fucking infront of, or some bastard that pissed you off because he was being a jackass.