What is Tard Monger?
1.
The 'tard is short for retard or fucktard, and the monger means dealer. It is a mildly amusing alternative to the usual insults that you throw at dumb people.
What did you do that for, you 'tard monger!?
I don't even know why God lets a 'tard monger like you exist.
See
2.
those retarded people who always be getting in your face
any girl named rachel