Definitions by Peter the Catfish Eater.

nonsensicalism 

A system of beliefs and/or actions, based upon false and/or irrational notions.

People who believe the Earth is 6000 years old, because an ancient book of tales says so, while ignoring the overwhelming geologic evidence to the contrary, are engaging in nonsensicalism.

nonsensicalism by Peter the Catfish Eater. August 4, 2021

captain starfish

Someone, usually a self-absorbed, often delusional individual who chooses to post endlessly grandiose, pointless, rambling texts, in an attempt to garner contempt from fellow forum members.

The etymology is a combination of "Captain Obvious" and "chocolate starfish"

Thank you, Captain Starfish. (The usual reply to the person.)

captain starfish by Peter the Catfish Eater. June 17, 2014