Meanie (noun)

1. A person who is unkind, cruel, or difficult to get along with.
2. A person who is unpleasant or difficult to deal with, often due to a tendency to be unkind or cruel.

Origin:

Slang term derived from the word "mean" meaning "unkind or cruel".

Examples:

1. The boss was a real meanie, always yelling at his employees.
2. The meanie on the playground always took the other kids' toys.
3. The meanie at the party refused to share the snacks.
4. The meanie in the group would always make fun of others.
5. The meanie was known for being rude and inconsiderate.