sulky
Sulky is an adjective used to describe someone who is in a moody, pouty, or sullen state. A sulky person tends to be withdrawn, uncommunicative, and uncooperative. The noun sulky can refer to this mood or to a person who exhibits such behavior. The term derives from the verb sulk, meaning to be silently ill-tempered or morose.
In sports, a sulky is a lightweight, two-wheeled racing cart used in harness racing and pace racing.
In everyday language, calling someone sulky implies they are sulking or in a deliberately moody, withdrawn