A non-custodial wallet is a crypto wallet that gives the user the right to self-custody i.e., the user controls the private keys.
NGMI, which means Not Gonna (going to) Make It, is a crypto slang that means there is no hope for a given situation.
Non-Fungible Tokens are those crypto assets that are created to be unique because they represent something unique, like an artwork, a house, a movie ticket, or maybe a game pass.