rhinocerass 

When seeing a very larger person with the hugest butt you've imagined. Bigger than a usual human ass.

Holy boobs batman, did you see that lady with the rhinocerass, she almost got stuck in the doorway!!

rhinocerass by Virusoner October 13, 2009

Three-Horned Rhinoceros 

Obviously, this is when 3 men engage in sex with no woman or additional parties.

Hey Steve, you comin' 'round tonight? Me and Jim are trying to set up a Three-Horned Rhinoceros....just need one more!

Three-Horned Rhinoceros by BrightonWatch May 14, 2014

Disgruntled Rhinoceros 

The act of putting a strap on dildo to your forehead and engaging in rough anal sex with said strap on dildo.

Dude 1: "Dude my ass hurts so much!!"

Dude 2: "Why?"

Dude 1: "My girlfriend gave me the Disgruntled Rhinoceros last night"

Dude 2: "Damn, how did she talk you into that?"

Dude 1: "She promised she would let me do a Jamaican Pile Driver"

Dude 2: "So worth it"

Disgruntled Rhinoceros by hardcoredeathcruster February 26, 2009

Rhinocerous 

A white trash overweight unicorn

that's no rhinocerous my friend... that's an overweight white trash unicorn!

Rhinocerous by Allison T February 10, 2008

Rhinoceros Fart Flute 

The act of filling a black dress sock half-full with cheerios and inserting the sock analy.

"I was so drunk last night, I can't believe I let him play my Rhinoceros Fart Flute."

Rhinoceros Fart Flute by Smittmiester May 4, 2008

Rhinocerosing 

to bury ones head into something and use a foot or paw to try to move or uproot, like a rhinoceros

Huck was rhinocerosing me to take my spot in bed

Rhinocerosing by racerrob November 14, 2014

rhinoceros nuts 

Slang term describing bravery using the rhino because of its gargantuan size and impenetrably thick skin.

That guy is undoubtedly the poster boy for rhinoceros nuts, he speaks truth to power no matter what the consequences may be.

rhinoceros nuts by Dr Bunnygirl August 24, 2019