syndrome X

noun

1. another name for IRS

Example Sentences

Doctors called it “cardiac syndrome X.”

Read more on Scientific American

"OMG I'm actually a 100 year old mermaid formerly known as 'CC Chalice' ....thanks shady Australian press for your tall poppy syndrome x," she wrote, adding, "Okay but all jokes aside now...my real name is Fat Patricia x"

Read more on Los Angeles Times

His search for a genetic basis for immortality, or at least for prolonged youth, has led him to a disease so rare and so poorly researched that it's known only by the unofficial name syndrome X: “what seems to be a permanent state of infancy,” which Walker has identified in four girls.

Read more on The New Yorker

Her condition, which she shares with a handful of other people around the world and which kept her both physically and mentally stunted, was labeled Syndrome X by her doctors, but the X was merely a stand-in for unknown.

Read more on Time