Add a superfluous ‘s’ to balance out all the ignoramuses who think plurals get an apostrophe. Can’t risk a distortion of the gravitational flux.
Wuz da nite befo Crimmus
An' all ower de hood;
Ereybody wuz' sleepin'
Dey wuz sleepin' good.
I think I’ve always gone with ‘ignorami’; but both appear to be acceptable:
https://www.merriam-webster.com/wordplay/ignoramuses-or-ignorami-ignoramus-plural
Language is darn complicated...