Troll: an unexplainable, unexpectedly bad result

Farming: watch videos, surveys, installing apps, etc. to earn Tokens or Boosters

Tanking: intentionally not promoting a Season, to regroup and work on team

Illegal formation: one that results in 20 possession penalty (detail on how to avoid that here: Squad - Top Eleven Official Wiki)

Gen or Nordgen: a vastly expensive player from a fictional Team that gains a lot of points in training