A specific kind of police force in Iran that roughly translates to "morality police". They are corrupt to the core and should not exist. The term can also be used as a curse word since they are all nasty little shits.
A word developed on Long Island, New York (Copiague/Amityville area)in the mid 90's, used as an answer, or comeback to a question with a confusing, personal, or surprising answer... when the asker didn't really want to know the answer in the first place
David: That girl wanted me to tell you something..
Jason: What?
David: ERSHH!
Mary:We have off from school tomarrow.
Alexis: Really, why?
Mary: Ersh!