Wow! Jeez! Kersplatt! Biff! Bang! Shazam!
Kerplunk! and Zapp! are just a few.
Yuck! Yechh! Blecchh! Barf! Zounds! Ee By Gum!
Gosh! Golly! and The Same To You!
Owww! Ouch! and Aaarrggh! mean someone's hurt
Stop Thief! means someone's lost his shirt.
There are many more, but I prefer
the consternation in Ooooerrrr!