高こう校こう時じ代だいMeaningsNoun1. one's high school daysKanji used高high校school時time代substituteComposed of高こう校こうsenior high school; high schoolNoun時じ代だいperiod; epoch; era; age; the times; those days; oldness; ancientness; antiquity; antique; …NounExamples1メアリーはトムの高こう校こう時じ代だいの片かた想おもいの相あい手てだった。Mary was Tom's high school crush.