adj. (old: now recognised).Rash; passionate; quick to move.
c. 1696. B. E., A New Dictionary of the Canting Crew, s.v. HASTY, very Hot on a sudden.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.
HASTY G., subs. (Cambridge University).See quot.
1883. Daily News, 24 March, p. 5, c. 3. Mr. Wellers own HASTY G (as Cambridge men say when they mean a hasty generalisation).