Definition of "bitchy"
bitchy
adjective
comparative bitchier, superlative bitchiest
(colloquial) Spiteful or malevolent; catty; malicious; unpleasant.
(colloquial) Irritable.
(archaic, rare) Resembling or characteristic of a female dog.
Quotations
Greyhounds (dogs 4, bitches 2): All moderate; the small bitchy-looking Speculation was placed 1st in dogs, and Kate, by Cauld Kail—Graceful, was 1st in bitches, the former taking cup for best in both classes; […]
1877 January 4, “Dog Shows”, in The Country: A Journal of Rural Pursuits, volume VIII, London, page 22, column 1
[…] Hatteraick is good in shape and well feathered, but bitchy in face; […]
1882 December 28, “Birmingham Dog Show”, in Forest and Stream. A Weekly Journal of the Rod and Gun. […], volume XIX, number 22, New York, N.Y.: […] [T]he Forest and Stream Publishing Company, published 1883, page 433, column 1
The latter, though his muzzle is too weak and expression too bitchy, scores over his opponent in head properties, but he wants more bone, of better formation, is wide in front, very short and thick in neck and coarse in shoulders.
1891 April 4, “Comments on Awards”, in Fanciers’ Journal. Devoted to Dogs, Poultry, Pigeons & Pet Stock., volume 6, number 14, Philadelphia, Pa.: Fanciers’ Publishing Co., page 213, column 3
The little bitchy type dog who had nothing to recommend him except that he was small and popular with novice fanciers as a stud dog, has done more to set Boston terrier breeding back, than any other factor in its history.
1928, Vincent G. Perry, The Boston Terrier, Chicago, Ill.: Judy Publishing Company, page 56
You’re still a backyard breeder, and you’ve got a bad case of kennel blindness, for all you’ve got a pretty nice dog. If you’d study the Standard you’d know. Percival has his faults, too. He’s a little too bitchy, and just a little on the snipey side.
1952 August 31, Louise Rucks, quoting a breeder, “Dogs”, in Sunday Magazine (The Daily Oklahoman), Oklahoma City, Okla., page 5