Answer: overreact

AnswerCrossword Clue
OVERREACTCrying over spilt milk, so to speak
OVERREACTBe excessively touchy
OVERREACTScream blue murder
OVERREACTSay "WHAT!?"
OVERREACTGet hysterical
OVERREACTGo too far
overreactto react or respond excessively
overreactRespond more emotionally or forcibly than is justified