What's the difference between a boomerang and my dad?
The boomerang comes back.
Boomerang vs. Dad
Explanation
Explain Bear
Hey, buddy, so the joke is that the person's dad didn't come back. Like, he left and didn't return, which is sad, unlike a boomerang that always comes back. Based on your sense of humor, I bet you think a balanced diet is a beer in each hand.