Anonomonolith 

Someone who's popular on mainstream anonymous/alternative social media apps like Whisper, Schmick, Reddit, Mocospace, Scout, etc.

*Scrolling by on Reddit*
*See's user with 1000k Karma*
"Oh, yeah that dude's an anonomonolith"

Anonomonolith by DonJuan'sHotSauce April 14, 2021