would work very well in a circular fashion,
going from defecation in your diaper in infancy, to defecation in your diaper in senility.
(Scott_ish top hats make great bottom hats as well., Wed 19 Mar 2008, 2:35, archived)

oooh!
Or, a spiral into obscurity!
( Purple Martin is board sigless, Wed 19 Mar 2008, 2:37, archived)