A person who works in public relations or press agentry, especially one who is aggressive or unscrupulous in promoting clients.
From 'flack' plus the suffix '-er' meaning 'one who does'; emerged in mid-20th century American entertainment and advertising industries.
Professional flackers in Hollywood created the entire playbook for celebrity image management—everything from staged photo opportunities to leaked 'secrets'—techniques now used by politicians and corporations worldwide.
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