Humorous slang that can be used in place of "ew", "gross", "nasty", etc. Similarly, "ersh" or "ershy" can also be substituted to
display disgust or displeasure with
a person, object, idea, smell, etc.
Girl 1 "Did you see the new
substitute teacher we're getting for tomorrow?"
Girl 2 "Yeah, he looks pretty ersh megersh... I wonder if he bathes...He looks pretty creepy too. Hopefully he doesn't hit on the girls in class."
Guy, "That's
your boyfriend!"
Girl, "Ersh, whatever!
That's sick!"