"Egads!"

• "Holy cow!"
• "Yowza!" relative
• "This is terrible!"
• Expression of shock
• Quaint cry of surprise
• "That's awful!"
• Agreement to carry one thousand leads to alarmed expression
• "Good heavens!"
• "Yow!"

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
exclamation of alarm or surprise, by 1953; perhaps from yoicks , a call in fox-hunting, attested from c.1770. Yike "a fight" is slang attested from 1940, of uncertain connection.