Think of it as the crypto equivalent of the “get off my lawn” meme.

When the American Association of Retired Persons came out this week with a glossary of Wall Street buzzwords, this one, in particular, stood out:

“ “Bitcoin — A bunch of computer code that a bunch of criminals, idealists and speculators agree is worth ‘real’ money. Sadly, its real-money value swings widely, making it impractical except for criminals, idealists and speculators.” ”

On Twitter, the reaction from crypto fans was about what you’d expect.