It's all back fat

Unnecessary; superfluous

Used to say that something is "too much" or "over the top."

John: Have you seen the decorations that Carrie put up for the party? There's a lot.
Ben: Yeah, it's all back fat.

by PapaSnowMan September 19, 2019

Fat back

Some one who has a fat ass back.

I called one of my friends a fat back because they have a fat ass back!

by Gay legs May 25, 2018