FABNERD - A FABNERD is the dim's version of a god who doesn't know how

A FABNERD is the dim's version of a god who doesn't know how to use a toilet.

My math teacher is a FABNERD. He passed me for no reason.

My cousin calls herself a FABNERD. She got a C on her math test.

My dog is a FABNERD. He stares at me like I owe him money.