Feofferent 

To be nasty, grody, or bad.

In other cases disgusting

Kim Kardashians contouring can be so feofferent.

Feofferent by Kara Jenner April 19, 2016

Fifferent 

F*cking different. When different just isn't enough. You need something stronger.

You see Becky? She's mighty fifferent.

Fifferent by caliagstro January 7, 2022