Catch a fade is an idiomatic expression that is used to threaten somebody, signaling that they are going to get punched in the face.
If somebody “catches a fade”, it means getting beaten up.
You can alternatively say “catch my fade” as well.
The expression comes from the slang usage of the word “fade”, which is thought to be going back for at least a 100 years in etymology.
“Fade” has been used to refer to all kinds of punishment during the past century, as well as dealing with individuals.
“Fading” is a frequent slang term used between Los Angeles gang members, meaning taking care of a hostile opposite gang member.
As mentioned above, catch a fade is mostly used on the street, especially in the hoods of America.
There are several articles about the term online on the site Urban Dictionary.
In 2020, the band called Nothing released the single which was titled Catch A Fade.