Exclamation of old

• "Holy smokes!" of yore
• Stereotypically Victorian outburst
• Euphemistic exclamation
• "By gar!"
• Saw head off? Flipping heck, that's archaic!
• "Oh me, oh my"
• 'Holy cow!'
• Old-fashioned "Oh, my!"
• Posh exclamation

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Egad \E*gad"\, interj. [Euphemistic corruption of the oath, ``by God.''] An exclamation expressing exultation or surprise, etc.