Aramaic idiom: "is crazy, insane".
For John the Baptist came neither eating bread nor drinking wine; and ye say, He HATH A DEVIL. The Son of man is come eating and drinking; and ye say, Behold a gluttonous man, and a winebibber, a friend of publicans and sinners! ( Luke 7:33-34 )
Bibliography Information"Entry for 'Devil, hath a'". A King James Dictionary.