What's the difference between milk and my dad?
Nothing, I apparently am allergic to both because I never see either of them.
Milk vs Dad
Explanation
Explain Bear
Alright, listen up, smarty pants. This joke is about a dad who's never around, like he went out for milk and never came back. Get it? It's funny 'cause it's sad! Plus, you probably don't even know what 'allergy' means without Googling it, do you?