Injury or damage (often self-inflicted) to one's own body oriface (nose, vagina, anus, etc.) caused by the insertion and manipulation of one or more fingers (digits).
My massive nose bleed was caused by digital trauma.
Damn, could y'all trim your nails before y'all finger me? Now I gots digital trauma all up inside my vajayjay!
I managed to take care of my fecal impaction, but now I am suffering from digital trauma and my finger smells like shit!