From CryptoWiki

  • Abbreviation for We Are Gonna Make It. Sometimes just GMI and previously also GM. Mostly used on Crypto Twitter, where it signals that a project or a development is a positive sign and could mean price appreciation.
  • Became cringe after the sister of Mark Zuckerberg created a music video with WAGMI as the title.
  • Sometimes also used negatively as NGMI, Not Gonna Make It.
  • From Decrypt (9-5-2022):

"An optimistic term thrown around by communities to encourage positivity and the idea that everyone is going to succeed financially in the space, regardless of whether or not that is actually true."