Sheesh is defined as what someone would say to express disbelief or surprise.
An example of sheesh is what a person would say if they invited ten people to a dinner party and only two people showed up.
used variously to express disbelief, surprise, annoyance, etc.
Origin of sheeshprobably variant, variety of jeez
Used to express mild annoyance, surprise, or disgust.
Origin of sheeshAlteration of Jesus