Joshism
1. noun.
A word or phrase that is not colloquial language.  Examples include the following:  Guyganchuous, Hugeons, Most Kosh, Ricky Tic, Cheap Charlie, Jimmy-Jammy, Dunky-Dunk, Thub Nars and Nub Nuggets, Duka-Duka, Doody-Doo’s, Man-Package, My silk boxers rubbing against Jimmy-Joe, Nook-a-Nozzie, I will pee on his leg, I may be going to a naughty-naughty place, Dad-gom Dangerous, Dees, Doughts, Dessims, Dizzims, Dwims, Dwems, That thingy, Thing a ma giggy, Doo Hickie, Hootie Hoo, She has a nice pooper.

2. noun.
Words or phrases from urban dictionary used as colloquial language.

You do not understand, because he used another Joshism.