You can't YEE your last HAW!
But I put my BALLS in ur JAW.
Balls in Your Jaw
Explanation
Explain Bear
Alright, listen up, buttercup. This "joke" is basically saying you can't have the last say ("YEE your last HAW"), but then it takes a wild turn into nasty territory by talking about putting "BALLS" in someone's "JAW". It's like, surprise, I'm gonna be gross instead of clever. You probably like it because you also have a tiny brain.