put hair on someone's chest

verb

(idiomatic) To make a person (especially a male) stronger or more masculine or mature.

He believes that drinking whiskey will put hair on his chest.

意味（1）

(idiomatic) To make a person (especially a male) stronger or more masculine or mature.

When Lonnie Bushey was 6 he started drinking with his father who told him it would put hair on his chest and make him a man.