Turning to stare directly into the fourth wall ensues, though nothing so fancy as a zoom in or rimshot sound effect happens. Damn.

I. May have to disown you. Or disavow any knowledge of your person. Whichever works.

Of course, when his free hands are still playing along, and in fact getting a little more adventurous with the countermelody they've ended up providing, the threat, rather than coming out sharply naturally falls a little flat.