Stoner (noun)

1. A person who uses drugs, especially marijuana.
2. A person who is dull or insensitive.

Origin:

Derived from the word 'stone' which means to become dull or insensitive.

Examples:

1. He is a notorious stoner and spends most of his time getting high.
2. She was such a stoner that she could not feel the pain anymore.
3. The party was filled with stoners smoking weed and enjoying the music.
4. The stoner lifestyle is not for everyone as it can have negative consequences.
5. Many people still consider stoners to be lazy and unproductive.