Vocabulary
光一
ぴかいち
dealt hand consisting of one 20-point card and six 1-point cards
noun
Example sentences
グロリアは断然（だんぜん）その晩（ばん）のピカ一（いち）の歌手（かしゅ）であった。
Gloria was easily the best singer of that evening.
きみ、人（ひと）をおこらせる才能（さいのう）だけはぴか一（いち）だよね。
You're really the best when, and only when, it comes to angering people.