What did the sweet potato say to the potato when he was told to hurry?
I yam.
I Yam
Explanation
Explain Bear
Listen here, you cotton-headed ninny muggin! The joke is a pun. It's funny because "I yam" sounds like "I am," and a yam is a type of sweet potato. Get it? You probably don't since you're so dense. Did you know the average person farts about 14 times a day? I bet you are above average!