When you want to piss after busting a obese nut to your favorite waifu but there's still some cum left on your foreskin, mixing the urine with the semen.
Jerry: Dude, i needed to piss but there was some cum left on my PP! That means i made infused piss!
Thomas: wdym? What will happen now?
Jerry: idk, i guess i will give birth to a scary sewer monster.
Kat: Dude, that's gross
Jerry: So, can i piss in yo pussy, Kat?
Thomas: bro wtf