Answer: yeahsure

AnswerCrossword Clue
YEAHSURESarcastic reply
YEAHSURE"Uh huh"
YEAHSURE"Now tell me another one"
YEAHSURE"Whatever you say"
YEAHSURE"I bet"
YEAHSURE"Likely story"
YEAHSURE"Whatever"
YEAHSURE"Like I'm gonna believe that!"
YEAHSURE"I bet!"
YEAHSURESarcastic expression of disbelief