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BLOW SMOKE: If people blow smoke, they exaggerate or say things that are not true, usually to make themselves look better.
SMOKE LIKE A CHIMNEY: Someone who smokes very heavily smokes like a chimney.
END IN SMOKE: If something ends in smoke, it produces no concrete or positive result.
HOLY SMOKE!: This is a way of expressing surprise: "Holy smoke! Look at all of those geese!"
NO SMOKE WITHOUT FIRE: When people suspect something, there is normally a good reason for the suspicion, even if there is no concrete evidence.