pee ditty

1. A song sung whilst urinating.
2. A song sung about urinating.

Not to be confused with the stage name of the famous Rapper/Producer Sean "P-Diddy" Combs, though one could sing his music as a pee ditty.

I was taking a piss in the boys room the other day and the man at the urinal next to me began singing a masterful rendition of "He is an English Man" from Gilbert and Sullivan's H.M.S. Pinafore. What a lovely pee ditty.

Tommy began singing a pee ditty he'd made up about the teacher pissing her pants in front of his whole class. The principle overheard and gave him three days of morning detention.