This
database is a comprehensive collection of all the American idioms and slang available.
American Idioms are many and varied. We hope you enjoy our collection. We are adding more all the time.
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The idiomatic expression 'drive home' means 'reinforce' as in 'The company offered unlimited technical support as a way to drive home the message that customer satisfaction was its highest priority.'
To be boasting without being able to back it up,
talking about action without intent to follow through.
Do you really want to buy this car or are you just blowing smoke? Magicians often use smoke in their performance to obscure your view and conceal a bit of trickery. A person who is "blowing smoke" is tricking you and attempting to cover it up.