2. A nickname for Richard (no idea how they got that, you?)
3. Slang for Penis.
4. A name you use in the tense of present or past, used commonly as an adjective.
2 My name is Richard, But most people call me Dick.
3. Wow your Dick's a whopper. You should be the King of Burger king!.
4. Your a Dick Richard.
Example of a bad way to use it when you intend a non hurtful way.:
New Kid: My name is Richard.
Kid: Really? Cool.
2 days later
Kid: Hey Dick what's up?
New Kid: Stop calling me that!!!