(noun)A form of swamp ass when back sweat is visibly soaking ones shirt and can be seen running down ones back and into the ass crack. Resembling the Mississippi River delta basin after a strong rain storm.
Damn it's hot out here, the tide must be rising or I have some serious assissippi going on here.
A small, dwarf like creature that lives either under your bed, in your closet, or possibly both. BE WARNED: These creatures are insanely strong and witty. If you ever have the displeasure of meeting one, simply run away as fast as you can, or if you're in your bed, hide under the covers until the screaming stops.
Dude, did you see that Assissin in your sisters room?