Kpop 101: #-D Dongsaeng Posted by embeebee on May 19, 2011June 4, 2011 “Dongsaeng” is a Korean word for a younger sibling. It can be used for both boys and girls. SNSD's Taeyeon could call Seohyun "dongsaeng" since she is younger than her; Credit: Kpoplive.com. Share this: Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Share on X (Opens in new window) X More Share on Tumblr (Opens in new window) Tumblr Share on Reddit (Opens in new window) Reddit Share on LinkedIn (Opens in new window) LinkedIn Like Loading... Related