A phrase for when something is cute or
wholesome, similar to the positive
definition of 'That hit me in my feels.' Intended to show that something is so cute or
wholesome that it's had a stronger effect on you than simply going 'aww, cute' and moving on.
Variations include 'My uwus have flown', 'My uwus, they flew!', and other phrases like that-as long as the uwus are gone, the meaning remains.