When you have a cold and you blow your nose in someone's asshole while pinching the head of their penis.
"Hey honey, I'm feeling a bit under the weather, and we're out of tissues. Do you mind if I give you a Snot Rhinocerous?"
"But I don't have a penis."
"Strap on this dildo."
"But I don't have a penis."
"Strap on this dildo."
by Snot Rhino November 13, 2009
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