I posted previously that nails can and will absorb water ... this post is just a proof of concept.
That previous post can be found here and describes how a nail in such a state ought to be treated carefully (i.e. avoid filing, using your nails as tools, or polish application).
Now on to pictures!
Indeed, it looks like she had a large dinner and has to unbutton her jeans.
That is all.
P.S. The fatness is most obvious when you have a pronounce C-curve for sure. If you're not sure what that is come visit here! *hugs to all <3