胸がいっぱいになる むねがいっぱいになる Also written 胸が一杯になる Meanings Expression, Godan verb to get a lump in one's throat; to overflow with feelings; to be overwhelmed with emotion See also: 胸いっぱい (むねいっぱい). Kanji 胸 chest. Read as むね. Jinuma: Japanese Dictionary · Word lists