Answer: itswar

AnswerCrossword Clue
ITSWARBellicose declaration
ITSWARFighting words
ITSWARThem's fightin' words!
ITSWARDeclaration of hostilities
ITSWARHostile declaration
ITSWARBattle cry
ITSWAR"Them's fightin' words!"
ITSWARHostile words
ITSWARThem's fighting words!