Top Definition
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 06, 2005
5 Words related to Rhino Ass
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