When a man or boy pokes his pee hole.
Eg Yo, did u hear Mike is a dilch.
by nick/ryan/dylan September 01, 2005
A "love child" (person who was concieved with their parents not being married) or a person with divored parents.
I heard Jimmy was a Dilch, his mom was pregnant in highschool!
by Bhumeeka March 27, 2007
The ejaculate on a dildo after a woman pleasures herself
After Amanda was done screwing herself, her dildo was coverd in Dilch
by sooooo-phisticated April 19, 2003