Green’s Dictionary of Slang

terror to cats n.

an ill-behaved small boy.

New North-West (Deer lodge, MT) 22 Dec. 1/7: [headline] A Terror to Cats / The Bad Boy Makes Things Lively for a Church Committee.
[US]Detroit Free Press in Ware (1909) 242/2: Pa says I am a terror to cats. Every time pa says anything it gives me a new idea. I tell you pa has got a great brain, but sometimes he don’t have it with him.
[Scot]Dundee Eve. Teleg. 14 Dec. 8/1: I was a terror to cats. I thought what fun there is in cats, and me and my chum went to stealing cats right off.