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."
by Adam Basich April 27, 2008

by X2agents October 14, 2017

by bringbackthebars2004 December 14, 2023

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.
by freakshowdaddy May 16, 2021
