Fonz /fɒnz $ fɑːnz/ BrE AmE ( also the Fonz )
the main character in the US television programme ↑ Happy Days . He is a ↑ teenager in the 1950s who is known for always being ↑ cool , because he behaves in a calm confident way that is admired by other teenagers. He also wears a fashionable leather ↑ jacket .