crank·y 1 
(krăngkē)
(krăngkē)adj. crank·i·er, crank·i·est
1. Having a bad disposition; peevish.
2. Having eccentric ways; odd.
3. Full of bends and turns; crooked: a cranky mountain road.
4. Working unpredictably; erratic: a cranky old truck.
5. Rickety; loose.
cranki·ly adv.
cranki·ness n.