Grouchy, grumpy, irritable; easily upset.
Not in good working condition.
Synonym of crank (“of a ship: liable to capsize because of poorly stowed cargo or insufficient ballast”)
Not in perfect mental working order; eccentric, peculiar.
Causing repugnance; unpleasant to the feelings or senses; displeasing.
Something or someone displeasing; anything that is disagreeable.