A fork of Rural Dictionary
When a girl with a giant nose is giving you head and her nose keeps stabbing you in the stomach.
Tom: "Dude why is your crotch so bruised?" Robert: "Its because Betty gave me head last night and it felt like I was being stabbed." Tom: "Damn that's gotta hurt, I'm pretty sure that's called a Stabbing Rhinocerous." Robert: "I can see why."