A saying used by Dave Chappell to describe in his comedy sketch each era when someone was making a huge mistake.
that nigga is fucking up!, (when your friend is making a huge mistake you would say) Nigga your fucking up. or Man your fucking up.
-another word then messing up
-cannot be used sexually way as in making out,kissing, having sex, basically nothing sexual
- screwing up or making a mistake
Dave: Dude your always fucking up in school!
Brian: I know, I just keep making mistakes.