The Slaton sisters are a pair of morbidly obese hicks from Bumfuck, Kentucky who regularly make videos of themselves burping, farting, stuffing their faces with truly staggering quantities of fast food, and generally being disgusting. They're quite infamous in r/fatpeoplehate for obvious reasons. What you see above is an average Slaton sisters vlog.
Amy Slaton is the one who runs the channel, and the most active online overall. She's wall-eyed, smokes heavily, and is an avid fan of the Twilight series.
Tammy Slaton is Amy's usual companion, and is somehow even fatter. She has somehow managed to get fat on the forehead. Due to her incredibly poor health, she keeps getting in and out of the hospital, and in fact, as of this writing, she's on life support due to severe pneumonia, although Amy says she's getting better. According to her Facebook, she's a juggalette (!!!!).
Also featured occasionally is their tiny dog, which looks like it's about to be crushed at any moment.
Their channel is here: https://www.youtube.com/user/twlightqueen
As you can see, they're a pair of rather (ahem) "interesting" characters.