三さん男なん坊ぼう

noun

third son

A somewhat familiar or affectionate term for the third-born son in a family. Often used in contrast with 長男 (eldest son) and 次男 (second son). The suffix 坊 adds a casual, boyish nuance.

See also: 次男坊

• うちの三さん男なん坊ぼうはまだ小しょう学がく生せいです。

  Our third son is still in elementary school.

• 三さん男なん坊ぼうが生うまれて、家か族ぞくは五ご人にんになった。

  With the birth of our third son, our family became five.