Irascible

i·ras·ci·ble
iˈrasəb(ə)l/
adjective
adjective: irascible
having or showing a tendency to be easily angered.
"an irascible man"
synonyms: irritable, quick-tempered, short-tempered, hot-tempered, testy, touchy, tetchy, edgy, crabby, petulant, waspish, dyspeptic, snappish