paper (in rock-paper-scissors)
disappearing completely; coming to nought; becoming worthless; losing everything
foolishness; stupidity
じゃんけんでパーを出したら相手もパーだった。
I threw paper in rock-paper-scissors, and my opponent also threw paper.
グーはパーに負けるが、チョキには勝つ。
Rock loses to paper but beats scissors.
子供はパーが一番出しやすいと言う。
Kids say paper is the easiest hand to throw.