What’s the little thing that makes you scream and have to pee?
K-I-D-N-E-Y
S-T-O-N-E!

What’s the renal scourge that causes pain and agony?
K-I-D-N-E-Y
S-T-O-N-E!

(No, I don’t have one. The Younger Boy and I were just making up silly songs)