The picture may look convincing, and unsuspecting people may believe it is real and worry they could get the disease. Blue waffle—"waffle" referring to a slang term for vagina—is a fake STI.

The hoax included a picture of a labia that was doctored to look blue ... expect from real STIs like gonorrhea or chlamydia. The name itself was lifted from the slang term "waffle," meaning ...

It soon became apparent that the pictures were either doctored ... of having correct sexual health information. Blue waffle disease is not a real medical condition or STI. No credible health ...