Bumping Unglies

When a male has intercourse with another male from the same species, butt (pun intended) has an accident halfway through. (Explosive diarrhea)

Zoezabi: "Oh, that feels good."
Ricky: "Oh wait a second, I had spicy food earlier. Do you want to stop?"
Zoezabi: "No, let's keep on bumping unglies."
Ricky: "You're gonna get one hell of a kidney infection!"
Zoezabi: "That's alright, baby. I love my kidneys."