cracked up to be asserted to be (used to indicate that someone or something has been described too favourably). informal
☞ This expression stems from the use of crack as an adjective to mean 'pre-eminent', a sense dating from the late 18th century.
1986Willy RussellShirley Valentine Our Brian suddenly realised that the part of Joseph wasn't as big as it had been cracked up to be.
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