Someone who belongs in a loony bin but with the added subtle implication that even when a person appears fully functional and sane in the world that the truth can be entirely otherwise.
As I sat at my computer workstation on the other side of the wall from where the shrieking mentally ill prison inmate was coming entirely unglued, performing all of my workplace tasks without difficulty, a novel question popped suddenly into my head: just who exactly is the loony binner?
Binero is worthlesspaper Monero held on Binance and other centralized exchanges. Not backed 1:1 by actual Monero on the blockchain as only a fraction of deposits are backed by actual Monero and available for withdrawal. Remember, if you don't hold your Monero in your own private wallet, you don't own Monero. Not your keys; not your Monero.
"Dude, you don't own any Monero if it's not in your own private wallet. Good luck withdrawing your worthless Binero tokens during the inevitable Monero bank run!"