Wordplay jokes

Why can't orphans go big? When you go big, it's considered family size.

If Opposition Expunged thought he was an animal, what would Thearchy be called?

Therianarchy!

Person 1: Stop making suicidal jokes!

Person 2: Okay, okay, I’ll cut it out.

Person 1: Really?

Person 2: They're not even that deep.

What did the mother say to Michael J. on the beach?

"Excuse me sir, but you're in my son!"