Adjective: petulant pe-tyû-lunt or pe-chu-lunt- Easily irritated or annoyed
"an incorrigibly petulant young man";
- cranky [informal], fractious, irritable, nettlesome, peevish, peckish [N. Amer, informal], pettish, scratchy, testy, tetchy, techy, pouty, narky [Brit, slang]
See also: ill-natured