Most Effective Team Available - In an online strategy game, the Meta is the best team available to build using all available units, equipment, and any other equips a team can use.
When a real life Bond Villian attempts to rebrand his nefarious business activities in plain site of everyone, desperately hoping they forget the masses of dubious activities he's neen caught carrying out.
An adjective used to desribe something that might be a stretch, that is, an overly indirect relationship. I.e. metaphysics, where relationships are extrapulated between mind and matter.
"Dude, that mushroom growing out on our front lawn is totally symbolic of the threat of nuclear war, you know, the mushroom cloud and stuff!"