Is “Firebug” a Scrabble word?
Yes
FIREBUG
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Firebug
noun
1.Pyrrhocoris apterus, a common red and black insect, that is the type species of the family Pyrrhocoridae.
2.A pyromaniac or arsonist.