poster childposter child
a person or thing presented as a symbol or archetype as in advancing some cause
now also poster boy (or girl, etc.)
Origin of poster childin allusion to the use of children in advertising
- A child who appears on a poster as a member of a group benefited by a charitable organization: a poster child for muscular dystrophy.
- A person who is a prominent example or type of something: “He was a living poster child for the evil potential of inherited wealth” (Jim Harrison).