Cranky

crank·y
adj. crank·i·er, crank·i·est

Definition: Having a bad disposition; peevish.

Synonyms: bad-humored, bearish, bitchy, cantankerous, choleric, crabby, cross, crotchety, disagreeable, grouchy, grumpy, hot-tempered, ill-humored, irascible, irritable, mean, ornery, quick-tempered, snappish.

Causes: Money, work, homework, annoying people, chores.

Proceed at your own discretion.