the act of a dog vigorously exploring a human's anus with its snout
Dude, your dog just committed snoutdomy on my ass. Now I know what it feels like to be raped in prison!
the act of a dog vigorously exploring the crotch of a female
My girlfriend is always complaining about how my dog is performing snoutilingus on her as soon as she walks through the front door. Secretly I'm worried my dog is better at it than I am.