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't believe in
god ugh.
B: oh noes , why call him if yah don't believe in him... yanno you'
re sooo youchie!