Buff

Adjective / UK Slang

Buff refers to someone who is physically attractive or good-looking, often used to describe a person’s appearance.

Example: “That girl is buff, everyone was staring at her.”
Means: “That girl is very attractive, everyone was looking at her.”

Example: “He’s been working out a lot, and now he’s looking buff.”
Means: “He’s been working out a lot, and now he looks physically fit and attractive.”