I'm going to tell my ex-bestfriend's parents about the debt he owes me.
What is the debt?
$200.
It's normal to try to collect money you're owed. If you aren't pushy you'll never be paid.
I don't give a shit about that. I want to see his reaction.
It's your right to get back the money you lent, but trying to humiliate your former friend is disrespectful. You're taking this personal, and may hurt someone you used to care about.