* Formal: The young actor quickly became a heartthrob after his breakout role in the popular film.
* Informal: All the girls in school were swooning over the new heartthrob on the football team.
* Humorous: My grandma's latest crush on the local news anchor makes her the biggest heartthrob in her retirement community.
* Descriptive: The heartthrob, with his charming smile and piercing blue eyes, captivated the audience.
You can use "heartthrob" to describe someone who is considered very attractive and popular, especially among young people.