Top definition
A condition that causes a person to erroneously believe themselves to suffer from a medical condition emphasized by the latest trends in health or diet.
"Jenny is gluten free."

"Why? Does she have celiac?"
"No, but she does suffer from fad syndrome."
by Docta QG September 15, 2017
Get the mug
Get a fad syndrome mug for your daughter-in-law Yasemin.