We found 2 definitions of poster child from 2 different sources.
Noun |
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poster child - a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes; "she was the poster child for muscular dystrophy" | ||
youngster, minor, tiddler, tike, nestling, nipper, small fry, tyke, shaver, fry, child, kid young bird not yet fledged | ||
poster boy a male poster child |