A cheap college meal containing common ingredients found around the kitchen. Key items include: tuna, mayo, pasta/ramen, frozen vegetables, eggs, pepper and ICBINB (I Can't Believe It's Not Butter).

Resulting meal will usually smell of any of the five surviving species of odd-toed ungulates in the Rhinocerotidae family.
I was making Rhino Ass upstairs in the kitchen and Furry took my turn on Marble Madness.
by daver! July 6, 2005
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n. reference to the penis, particularly in the context of being rammed forcefully and painfully into the partner's anus or in a querying manner for requesting anal sex
"yo mami, dat ass wanna dat ass wanna take my ass rhino, no?"
"you are a wonderful human being and i want your ass rhino every day."
by electricfeelmeow June 2, 2014
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