Michael Burry big short premiere
Michael Burry.
  • Michael Burry tacitly flagged the risks of Bed Bath & Beyond's last-minute financing deal this week.
  • The "Big Short" investor advised meme-stock fans to learn what a "death spiral convertible" is.
  • The retailer's new backers might keep buying discounted shares then selling them, hitting the stock.

Michael Burry has issued a veiled warning to meme-stock fans about Bed Bath & Beyond's last-ditch financing deal this week.

"It's time memesters look up what a death spiral convertible is," he said in a now-deleted tweet on Thursday.