In which a person of small or semi-small stature who regularly wears bulky clothing is seen without said bulky clothing. Though there's nothing proportionally wrong with them, you can't help but think that as they essentially just instantly changed their body type right before your eyes.
Seeing Kit Harrington shirtless was the weirdest thing! I'm so used to seeing him in all those furs on Game of Thrones. But that's Jon Snow Syndrome for you.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).