Inappropriately touching, or otherwise molesting, a small child.
That sick fucker will burn for all those late night diddams he inflicted on my daughter!
by TrainWreck360 May 21, 2015
Diddams is used to describe a good or very cleaver trait in a persons personality, deriving from "Didimus" the Greek god who eternally preforms amazing feats and/or poses-es awe inspiring traits
You got some "Diddams" skill there
by mintymintmintmint May 18, 2011