末ばっ子しalso: ばっし · すえこまっしFreq.FrequencyTop 100,000Meanings1nounyoungest childRefers to the youngest child in a family. Often used in contrast with 長子 (eldest child).See also: 長子彼かれは三さん人にん兄きょう弟だいの末まっ子しです。He is the youngest of three siblings.末まっ子しはいつも甘あまやかされがちだ。The youngest child tends to be spoiled.