Obviously the fur left behind from a cat, in a location where it had lounged for an extended period of time.
"Hold on Bob, i need to clean the pussy residue off of the couch before you sit on it. "
Mittens got his pussy residue all over the sheets, and now there is some in my eye.
I can't stop sneezing due to all of the pussy residue clogging up my sinuses after i let Chewbacca lay on my face all night.
The residue left behind in a woman's brazeer after its been worn for x amount of time. Often sniffed, or licked by men or women of the Lesbian sexual preferance.
"Man, what the fuck are you sniffing that for?"
"Titty Residue."