Palindromists have a reputation for racy subject-matter. Remember Dennis and Edna who (often with others) sinned? Or Naomi's lover who moans that sex at noon taxes? Or the anonymous slut who nixes sex in Tulsa? Other bodily functions can be similarly celebrated.
Connett, John E.
"Deep In A Can I Peed,"
Word Ways: Vol. 32
, Article 6.
Available at: http://digitalcommons.butler.edu/wordways/vol32/iss2/6