non compos (mentis)

non compos (mentis)

Not sane or mentally competent. The phrase is Latin for "not of sound mind." Based on the orders he's been giving lately, many believe him to be non compos. The judge ruled that she had been non compos mentis at the time, and thus could not be held legally liable.
See also: compo, non

non compos

(ˈnɑn ˈkɑmpos)
1. mod. out of one’s mind; non compos mentis. She is strictly non compos!
2. and non compos poopoo mod. alcohol intoxicated. That gal isn’t just drunk. She’s non compos poopoo.
See also: compo, non