A word invented by actor Neil Patrick Harris during his appearance on The Late Late Show with Craig Ferguson in 2008.
adj.- (of a person or action) being particularly effeminate and flamboyant in a manner which might be likened to that of a swish or stereotypical gay man.
Neil Patrick Harris: You are just swishtastic tonight! You have been snapping and jumping around.
Craig Ferguson: I am swishtastic every night.
a word of expression to when you give up on comprehending someone's words of ignorance, stupidity, absurdity or are too exhausted to formulate a proper response.
Commonly seen in TikTok comment sections in replies to lazy attempts at humor, overconfidentally incorrect statement, or an over-the-top comment or when someone completely misses the mark on something.