Cat in a sink
the art of stuffing ones testicles into the vaginal opening while maintaining complete anal penetration. References the extremely difficult act of trying to bathe a cat in a sink." (AKA Balls in a box)
"Bro, last night I totally stuffed my nuts into this girls snot-wallet while boning her in the chocolate starfish. It was harder than keeping a cat in a sink."
cat in the sink
When you dog in the bath tub her, and your dick is still in her vagina.
I just had the best sex, i tried the cat in the sink.
Cat in the kitchen sink
While having anal intercourse the act of which one or both testicles end up in your partners vagina.
Got a little to rough last night... we finally played UPS and I delivered a package to the back door. Didn't know it would end with a cat in the kitchen sink.