Please help a brother out here 
Discussion
Found it on urban dic. Thanks for expanding my vocabulary
This term originated in film critique from a long-defunct website called "The Filthy Critic".
This guy is a maverick. I'm having a hard time finding the original context for the term. Do you happen to know?
https://millbankusa.com/filthywp/index.php/rarely-asked-questions/
No I was just a simp for the guy in the day and adopted the term.