an arsonist; a person with a pathological love of fire US, 1872.
2
in poker, a player who bets and plays in a reckless fashion US, 1996
(redirected from firebug)
fire bug
Someone who enjoys setting fires; a pyromaniac or arsonist. I'm sure that fire bug Max set our shed on fire—it wouldn't be the first time he started a fire in the neighborhood.