nerveologist 

A person one tells others they are seeing professionally to make being mentally feeble sound more official and exciting.

Im sorry John I can't go out tomorrow, I'm seeing my nerveologist at 4.

nerveologist by Lopey sawbones July 18, 2021

Nerdologist 

Someone who studies insects and collects them

I am a nerdologist. I collect insects and study insect life.

Nerdologist by Chubbs2019 May 28, 2023