Crossword clues for you must be kidding!AnswerClueWILDERGENEWhat misbehaving kids must have inherited from their parents?NONSENSEYou must be kidding!GIVEMEABREAKYou must be kidding! (and a hint to 20-, 28- and 46-AcrossOHCOMEONYou must be kidding me!UMNOYou must be kidding me with that...!TINCANWhat you must provide for a kid's cable car kitYOU___ must be kidding!