slawing it up

A phrase used to describe someone using or playing something badly; relates to the word Slaw

Carl: Hey Jacob! Did you hear me playing my trombone last night?

Jacob: Yeah, what about it?

Carl: Did it sound good?

Jacob: You were slawing it up ngl

Slaw

The word slaw is a term mostly used to describe someone that's bad at something.

Mostly used in band slang, if someone calls you or your friend slaw, they're calling you ass at playing an instrument.

*Nick Cannon walks into his band room and sees a trumpet player holding his drumsticks wrong whilist playing on his snare drum*
"Get your slaw ass off my drum!"