the.com/puffiness
When your face decides to retain water and broadcast last night's decisions.
means A swollen, slightly inflated appearance, usually from fluid, fat, or trapped air filling something out.
from From puff, an echo of the breathy poof sound — Old English pyffan imitating a burst of air, later applied to anything visibly inflated.
Morning faceLying flat lets fluid pool under your eyes overnight.
Salt's faultSodium makes tissues hoard water, inflating everything.
Not always fatPuffiness is fluid; fat doesn't deflate by lunchtime.