Here’s a word I was asked to define today while in a rehearsal for a production Romeo and Juliet I am “voice/text coaching,” it’s also another word you can use to badmouth someone.
hilding (n. or adj.) IPA Pronunciation: 
worthless, good-for-nothing
CAPULET
Out on her, hilding!
– Romeo and Juliet (III.v)
Thou art a hilding fellow that doth not
Spice up thy language with a Shakespeare diss.