Smasher (noun)

1. A person or thing that smashes or breaks something.
2. A person or thing that is very successful or popular.

Origin:

The word "smasher" is believed to have originated from the old english word "smasher" meaning "a person or thing that smashes".

Examples:

1. He's a real party smasher.
2. She's a real head smasher.
3. The new album is a real chart smasher.
4. The new iPhone is a real sales smasher.
5. The new blockbuster movie is a real box office smasher.