Crossword clues for Interjection of disbelief. 3 lettersAnswerClueHUHInterjection of disbelief.POOHInterjection of disbelief.APPLESAUCESlangy interjection of disbelief.APPLESAUCEInterjection expressing disbelief: Slang.PSHAWSInterjections used to express irritation or disbelief