Answer: youmustbejoking

AnswerCrossword Clue
YOUMUSTBEJOKING

"Get outta here!"

YOUMUSTBEJOKING

Doubter's response

YOUMUSTBEJOKING

Utterance from a stunned comedy club patron?

YOUMUSTBEJOKING
Skeptical comment
YOUMUSTBEJOKING
Incredulous response
YOUMUSTBEJOKING"Uh-uh!"
YOUMUSTBEJOKING"Bad idea!"
YOUMUSTBEJOKING"You're pulling my leg!"
YOUMUSTBEJOKING"That can't be true"
YOUMUSTBEJOKING"You can't be serious!"