A dirtypagan is when you perform anal sex in the woods while wearing a black condom making it difficult to see if you have shitty dick. Best performed in broad daylight amongst the judging eyes of woodland creatures.
Yeah, I stuffed in in her butt. But I gave her a “dirtypagan” so I didn’t even have to wash.
A dirty Lui is when you are fingering your nan while your grandad shits on her fingers at the same time as she's toe fucking your mother in law and you are all watching chicken little.