Answer: sayswho

AnswerCrossword Clue
SAYSWHO"Oh, yeah?"
SAYSWHODefiant words
SAYSWHO"That's a lie!"
SAYSWHOSkeptic's retort
SAYSWHO"According to what authority?"
SAYSWHO"Oh yeah?"
SAYSWHOSkeptical retort
SAYSWHO"And what's your source?"
SAYSWHOSkeptic's comeback
SAYSWHOResponse to a dubious assertion
SAYSWHOSkeptical reply to a supposed fact
SAYSWHOSkeptical response