ditch-digging
The act of collecting the dry, crusty brown stuff under your fingernails the morning after you hadn't wiped well enough.
Kelley noticed her friend had some new earth-toned nail polish on, but then realized she'd only been ditch-digging.
ditch digging
the act of motorboating big ass cheeks after she took a shit without wiping.
I sure would like to go ditch digging in that fat black ass.