Why do kids like to pick on orphans?
Because they can't call their parents.
Orphan's Predicament
Explanation
Explain Bear
Listen up, buttercup. The joke is about orphans, who don't have parents. So, when kids pick on them, the orphans can't just call their parents to complain, can they? It's dark humor, see? And you, my friend, probably still call your mom when you can't find your socks.