Pothead (noun)

A person who frequently smokes marijuana.

Origin:

Slang, early 20th century.

Examples:

1. He was labeled as a pothead by his classmates.
2. She was known as a pothead for her frequent use of marijuana.
3. He had been called a pothead for years, but he didn't really mind.
4. The pothead was always in a relaxed state.
5. He was too much of a pothead to hold down a job.