Sulk \Sulk\, v. i. [See {Sulkiness}.] To be silently sullen; to be morose or obstinate. --T. Hook.
The recalcitrant unionists led by the Reverend Ian Paisley are on notice that if they sulk outside the conference chamber, that is where they will be left. Yet the unionists can veto any new constitutional arrangement.
A favorite ploy of the prince during his years in power and as leader of a resistance movement has been either to go into a prolonged sulk or to threaten to resign whenever he didn't like the way events developed.