noun
crying one's eyes out; on the verge of tears
Internet slang for being so moved or sad that tears won't stop, or being about to cry uncontrollably. Often used in reaction to touching stories, videos, or emotional moments.
この映画のラストシーンで涙腺崩壊した。
I cried my eyes out at the final scene of this movie.
感動的な手紙を読んで涙腺崩壊しそうになった。
I almost burst into tears reading the touching letter.