蛙かえる化か現げん象しょう

noun

frogification phenomenon; aversion to a reciprocated crush

Originates from Grimm's The Frog Prince; describes suddenly losing romantic interest when the other person returns your feelings. Often used in youth slang and social media.

• 好すきだった人ひとに告こく白はくされて付つき合あい始はじめたら、急きゅうに冷さめてしまった。これが蛙かえる化か現げん象しょうか。

  After the person I liked confessed and we started dating, I suddenly lost interest. Is this the frogification phenomenon?

noun

disillusionment with a partner's flaws

Colloquial extension: becoming turned off after noticing negative traits in a romantic partner, not necessarily related to reciprocation.

• 彼かれの部屋へやが汚きたなすぎて蛙かえる化か現げん象しょうが起おきた。

  His room was so messy that I experienced the frogification phenomenon.