Head″y, (hĕd″y̆), a. [From Head.] 1. Willful; rash; precipitate; hurried on by will or passion; ungovernable.
All the talent required is to be hot, to be heady, — to be violent on one side or the other. Sir W. Temple.
2. Apt to affect the head; intoxicating; strong.
The liquor is too heady. Dryden.
3. Violent; impetuous. “A heady currance.” Shak.