Simple past tense and past participle of sulk.(verb)
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Use "sulked" in a sentence
"But he did brood-she was tempted to think "sulked" but did not give in to the temptation-right up until the moment they made camp."
"The series was brought hastily to a conclusion in November: and the author, beaten back as he had never been beaten before, dropped the subject, and "sulked," so he called it, all the winter."
"But she simply "sulked;" she never grumbled or was pert; and she did her work just as usual -- with a kind of dogged struggle not only against the superior powers but against something within herself much harder to fight with."