Answer: idontbelieveyou

AnswerCrossword Clue
IDONTBELIEVEYOU"Yeah, right!"
IDONTBELIEVEYOUDoubter's response
IDONTBELIEVEYOUWife's comeback
IDONTBELIEVEYOU"A likely story!"
IDONTBELIEVEYOU"You're pulling my leg!"
IDONTBELIEVEYOU"That can't be true"
IDONTBELIEVEYOU"You can't be serious!"