suggurt

(soo-gurt) your default go-to name when telling an anecdote, giving an example, or making up a story about people you don't know too well

many people have one masculine and one feminine suggurt

"If I let you go to that party, you'll come home with some new friends. It'll be Carol did this, and Carol did that."

"You always say Carol when you're making up a name. Carol is your suggurt."