Oh Geed

Something thats gross or unpleasant.

Oh Geed! Look at that dog crap.
Or
Oh Geed! Smells like a dead rat in here.

Omgeed/Oh my geed

Omgeed is a word created by Kurshiya Stanley which is often used when you see something disgusting or someone says something disgusting

Someone: digging their nose
You:Omgeed/Oh my geed