(noun)-Combination of a "slop-tart" and "hippopotamus" as quoted by Mike the "situation" on Jersey shore. In otherwords, a really drunk, sloppy bitch that has no regard for her appearance. AKA Deena, also on Jersey Shore
by br92 February 25, 2011
Popularized by "The Situation" from Jersey Shore. "The Situation" defines it as a combination of a slop tart and a hippopotamus
The Situation: "Deena turns into the Sloppapotamus of the house. Combination of a slop tart and a hippopotamus put together. Sloppa... sloppa... ssssloppatopudus?"
by everyfuckingnameisalreadybeing February 20, 2011