The family member who everyone seems to gravitate towards and is given many different opportunities because of the people he knows. Often sets usually difficult expectations for the rest of the family, making them resentful and afraid of judgement.
Random girl: Hey, have you seen -family celebrity name-? I need their help with this project...
You: No, I haven't seen them. But I can probably help.
Random girl: I'm sorry, but I really need -family celebrity name- to take a look at it.
You: It's okay. They're the "family celebrity" for a reason I guess.
To unknowingly or accidentally proclaim one wishes to have sexual relations with animals
The Scottish guy was clueless when he said he wanted to clap a gator; talk about culture shock
Someone who seems to be able to overcome any situation no matter how unusual, dangerous, or messed up the circumstances. Might be legitimately superhuman, if not entirely from another world all together.
Did you see that guy? I keep hearing weird stories about him. Must be the Specialist of the Strange.