A sulky person is someone who is sullen, irritable, and bad-tempered. The two crossword solutions for this term are 'pouter' and 'GROUCH, ' both of which describe a person who is in a bad mood and often expresses their displeasure through body language or verbal outbursts. Pouter refers to someone who pouts, or makes a face as if they are about to cry, while GROUCH is someone who is grumpy and complains a lot.