medallion man
noun [ C usually singular ] UK humorous disapproving uk/məˈdæl.jən ˌmæn/ us/məˈdæl.jən ˌmæn/
奖章人（配戴珠宝，穿紧身服装，喜欢露出胸膛以表现自己比实际年经的男人）
a man who tries to look younger than he is by wearing jewellery and tight clothes, and who often has his shirt open at the front to show his chest