4. out of whack: disordered, malfunctioning; out of order or alignment. Cf. wacky adj. Chiefly U.S.
a. Of a person or a part of the body.
1885 C. A. Siringo Texas Cow Boy v. 33, I was too weak to walk that far on account of my back being out of whack.
1899 G. Ade Doc' Horne viii. 79 My stomach seems to be out of whack.
1903 A. M. Binstead Pitcher in Paradise vi. 146 At last he utterly gets his thinker out of whack an' goes back to the villa.
1918 H. A. Vachell Some Happenings xii. 205 His liver is out of whack and no mistake.
1969 ‘V. Packer’ Don't rely on Gemini (1970) xviii. 150 Margaret had had symptoms of early menopause last winter: that had thrown her way out of whack, could conceivably explain such erratic and erotic behaviour.