おばあちゃんっ子 おばあちゃんっこ Also written お婆ちゃんっ子, お祖母ちゃんっ子 Meanings Noun child who loves their grandmother See also: おばあちゃん子 (おばあちゃんこ). child who is doted on by their grandmother See also: おばあちゃん子 (おばあちゃんこ). Kanji 子 child. Read as こ. Jinuma: Japanese Dictionary · Word lists