I took it to be like a pool shark. https://en.wikipedia.org/wiki/Glossary_of_cue_sports_terms#s...

Not only that, huge UMA tokens holders can also rig some bets on a technicality without much effort, especially since big UMA token holders seems to know each others. If you bet against Zelansky wearing a suit to meet Trump, and that by all account, he seemed to be wearing a suit, but you don't want to loose the bet, the "Oracle"/UMA holders can decide that it wasn't, in fact, a suit, and your bet will win.