A morbidly obese individual with a rather "festive" style of dress. The female form is more common and can often be found at bars, dressed like a runway model (albeit in size 1000) and waiting for men to achieve the requisite state of intoxication for her mauling attempts to succeed.
Often, jungle hogs wear boob tubes, low-cut tops, mini-skirts and other such clothes that should be reserved for more attractive members of the population.
"I was out the other night and this jungle hog kept trying to hit on me!"
"Oh my look at that jungle hog! Why would anybody that fat wear a mini skirt?"