A saying, originating in southern parts of England, meaning that you have no stake or agenda in what’s currently happening. A similar saying to “I’ve got no dog in this race”
“Hey man, you started it, I’m not getting involved, I’ve got no grease in this bacon!”
Re-using anal oozings (a mix of cum, lube, rectal mucus, and fecal debris) as lube for anal sex. The fecund mix is gritty from particles, causing discomfort to both parties as well as often being foul-smelling.
I blew my load in her ass but she was so hot I stayed hard. I wiped up some of her gritty grease and gave her another pounding. It was all good but it hurts when you get it in your jap's eye.