Jank describes decks built around unusual, inefficient, fragile, or impractical ideas. Winning is certainly welcome, but proving that an absurd interaction actually works is often at least half the point.
A jank deck might try to win with Happily Ever After or Barren Glory, assemble an unnecessarily elaborate infinite combo, or make a forgotten bulk rare the star of the show. The best jank usually has a real plan; it's simply a plan the typical player would not have chosen first.
Aliases: garbage pile dumpster fire trash shit crap meme