A versatile term used to describe an idiot or an idiot move, sometimes used affectionately between friends or insulting others while highkey judging them. It can be jokingly used or seriously offensive.
An idiot
My friend Paul just spent 300 bucks on a ripped tee. What a yoach.
Its an expression or term used when someone is in an extreme disgust or distaste.
Its an interjection of surprise reaction because of something gross.
Its a cuter way or saying "yuck" "ouch" and "yikes"
A: omg, wth I don'tbelieve in god ugh.
B: oh noes , why call him if yah don't believe in him... yanno you're sooo youchie!