
ÜberElder to Dilf: "Daddy, what do they call the thing that YOU go potty out of?"
Dilf: "A penis."
ÜberElder, slightly confused: "Oh."
Pause.
ÜberElder, in a "Eureka!"-type voice: "Oh! I know why! Because it looks like a peanut, right?"
(Mommy hides her face in towel so daughters don't see her laughing.)