Dandy: Mom, can I come in?
Me: Mrmrph shrumpp.
Dandy: Piggy pardon?
Dandy: Piggy pardon. Grandma taught me it is okay to say piggy pardon instead of excuse me if I didn't hear you.
Me: Oh. Okay.
So I ask you, oh internets, am I obliged to correct him? It's just so darn cute, I can't bear to fix it up.