Geez!' is an expression of surprise or frustration, often used as an exclamation. It is derived from the Hebrew word 'gehaz, ' which means 'to express surprise.' Yipe, MAN, GOD, yeesh, DARN, crikey, and holysmoke are all variations of this expression, each with its own connotation. Yipe is a milder version, while MAN and GOD are more emphatic. Yeesh is a more intense version, and DARN and crikey are milder. Holysmoke is the most emphatic of the expressions, and is used to express shock or amazement.