People can be very catty and hostile and passive-aggressive, that's not unusual.
From the metro.co.uk
She also has some help for those catty calorie counters in the dating trenches.
From the chron.com
Count me out of any catty-exclusionary-witchy game you play, because it's not fun.
From the stltoday.com
Time has made Elizabeth a little less perfect, and Jessica is a little less catty.
From the sacbee.com
They certainly acted like catty old women, but their true inspiration is a secret.
From the ocregister.com
Jesinta is herding cats, well celebrities who are being catty about Jesinta anyway.
From the dailyadvertiser.com.au
They are willing to be catty in a way that Nashville girls wouldn't dream of being.
From the tennessean.com
But the old smoothy isn't above making a few catty remarks about Grace Jones.
From the independent.co.uk
Sometimes we do fight because we're teenage girls and it gets kind of catty.
From the denverpost.com
More examples
Any of various units of weight used in southeastern Asia (especially a Chinese measure equal to 500 grams)
Bitchy: marked by or arising from malice; "a catty remark"
A (unit of) weight used in China, generally standardized as less than a kilogram; With subtle hostility in an effort to hurt, annoy, or upset; Resembling or characteristic of a cat
(cattily) In a catty manner
Musical play. 1987. Libretto by Magdalena Eggleston
Chinese unit of measure weighing more than one pound.
Chinese unit of weight; approx. 1.33 lb/0.7 kg
(n.) female as described by a male to another male