Wiktionary
thrill killer
alt. (context idiomatic English) A murderer who is motivated by a strong personal desire to have a very exciting experience. n. (context idiomatic English) A murderer who is motivated by a strong personal desire to have a very exciting experience.
Usage examples of "thrill killer".
They're trying to sneak this thrill killer off to some country-club nunnery operated by a bunch of nuns who are on the take.
Some lunatic, some thrill killer, driving through a quiet neighborhood, rolling down his window and firing at random.
And anyway, living out there where you do, next door to Mad Dog Joe Mondragon on one side, and Thrill Killer Pancho Armijo on the other side, I'd think you would want something for self-protection.