| ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : resembling or having the character of the proverbial antagonism of dogs and cats:
a. : quarrelsome , inharmonious
they led a cat-and-dog life together — Ellen Glasgow
b. of a fight : malicious and incessant
the cat-and-dog fight among the early wire companies — F.L.Mott
2. : being or consisting of cheap or questionable securities : highly speculative
cat-and-dog stocks are swinging through sensational gyrations — rising 100 percent in ten days, then collapsing — Sylvia F. Porter