sheesh
sheesh |SHēSH ʃiʃ | ▶exclam. used to express disbelief or exasperation: sheesh! what fun is it to mock people when they don't even get it?
sheesh |ʃiːʃ | ▶exclamation used to express disbelief or exasperation. ORIGIN 1950s: probably an alteration of jeez .