poster boy

British  

noun

1. a person who appears on a poster

2. a person who typifies or represents a particular characteristic, cause, opinion, etc

   a poster girl for late motherhood

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Example Sentences

Kyrgios said he has not given "a thought" to the possibility he could become a poster boy for misogynists ready to criticise women's sport if he beats Sabalenka.

From BBC

Makowsky calls Garfield “a poster boy for the American dream,” rising from poverty to the nation’s top office.

From Los Angeles Times

She's since won a role in the film I Swear, which tells the story of John Davidson who became the reluctant poster boy for the then little known condition in the 1980s.

From BBC

Rogers, on the evidence of England's past two games, is fast becoming the poster boy for the new identity Tuchel wants to create.

From BBC

John Davidson became the reluctant poster boy for Tourette's Syndrome when he was just 16 years old.

From BBC