Examples from the Web for yikes
I did a little research and now, I mean, yikes, he's the guy that's okay with letting schools forcibly pin down autistic kids.
And could he—yikes—actually be not just inconvenienced but actually ill?Everything You Wanted To Know About Bob Costas’s Olympic Pinkeye|Kent Sepkowitz|February 12, 2014|DAILY BEAST
Yite I yikes, and boo I yikes; and my dear papa be so very angy, when I tells him all about it.'The Maid of Sker|Richard Doddridge Blackmore
Geo had only gotten half clear of the entrance when he yelled, "Yikes," and then, "Duck!"The Jewels of Aptor|Samuel R. Delany
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.