The Dictionary of Obscure Sorrows
thedictionaryofobscuresorrows.com"Jouska
n.a hypothetical conversation that you compulsively play out in your head—a crisp analysis, a devastating comeback, a cathartic heart-to-heart—which serves as a kind of psychological batting cage that feels far more satisfying than the small-ball strategies of everyday life.
French jusqu’à, until. In baseball, “small ball” is a cautious offensive strategy devoted to getting on base via walks, bunts, and steals, forgoing the big home run moments that fans tend to enjoy. Pronounced “zhoos-ka.”"
AKA https://en.wikipedia.org/wiki/L%27esprit_de_l%27escalier ('staircase wit')
This has been circulating for many years and at this point is so widely spread as to be considered ordinary and unremarkable.
Thanks for sharing. Do you have a name for that feeling?