also: おかあさんこ
mother's boy; mother's girl; mama's child
Refers to a child (of any gender) who is very attached to their mother. Often used affectionately or teasingly.
My son is a mama's boy and always follows me around.
Apparently she was a mama's girl when she was little.
Standard kanji-kana spelling with geminate っ.
Variant without geminate っ; less common but still used.
Compound of お母さん (mother) + っ子 (child), with the geminate っ adding an affectionate or diminutive nuance.