can·tan·ker·ous

adjective

1. disagreeable to deal with; contentious; peevish: a cantankerous, argumentative man.

Synonyms: bad-tempered, bearish, captious, choleric, contrary, cranky, critical, cross, crotchety*, crusty*, disagreeable, dour, grouchy*, grumpy*, huffy*, ill-humored, ill-natured, irascible, irritable, morose, obstinate, ornery*, peevish, perverse, petulant, prickly, quarrelsome, snappish, sour, stuffy*, testy, vinegarish, vinegary 

Example: This morning I seemed to of rolled out of bed on the wrong side, everyone I cam across, accused me of being cantankerous.