I'm dying to know...since people seem to think that the two words are synonymous. in my opinion, they're not.
"I'd say thick isn't as large as fat. Kind of in between medium and fat. And I don't know if it's just me but I'd think of thick as someone with curves. fat is just fat. ha pretty overweight to the point where you would lose your hourglass shape. and fyi you don't have to be fat to have stretch marks or rolls..."