The discoloration, and possible presence of other unidentifiable putrid substances, left behind in a woman's underwear caused by poor pussy maintenance.
"I was going to go down on her, but when I took off her panties they were covered in kitty litter."
The deposit a man leaves in or on a trick after unprotected sex.
Yo, you see those kitty litter stains on that ho's skirt.
That ho don't mind kitty litter, just not in her litter box.
Much like a sausage fest, except with women. Its where there are a bunch of girls in one place, such as a party.
Dude 1: hey you go to the party last night?
Dude 2: No u?
Dude 1: Yea it was a huge kitty litter, should have been there.
When a guy eats a girls pussy out and she screams and queffs in his mouth.
The kitty litter gave the guy bad breath.
When a female's vaginal area is extremely arid, and so much, that the sex partner of the woman has to urinate inside of the vagina
John's mom and sister had really bad kitty litters
so i had to take a piss in their vagina, but it was totally worth it.