She’s not skinny though?
Taylor Swift is (supposedly) 5’10" and around 130lbs.
That is skinny. Even according to BMI, she’s bordering on underweight.
Many people use skinny as the opposite of fat, so to be charitable to the poster maybe that’s what they meant.
Here's the order of comments that I was responding to - the original comment is saying that Taylor Swift is not skinny. Then this user responds to me saying that many people use skinny as the opposite of fat. That would imply the original comment is saying that Taylor Swift is fat.