The fries were the slowest in the race and they said, "We need to ketchup to the tomato!"
Fries Ketchup Race
Explanation
Explain Bear
Listen here, buttercup. You are so dumb that you think ketchup is just for fries. Here's the deal: fries are slow in a race and say they need to "ketchup" to the tomato. It's a pun because "ketchup" sounds like "catch up." Get it now, Einstein?