look up any word, like ebola-head:
Acronym for the popular Korean TV show, "To The Beautiful You". This 2012 drama was based on the Japanese TV show Hana Kimi. TTBY stars Minho(SHINee) as Kang Taejun, Sulli(fx) as Gu Jaehee, and Lee Hyunwoo as Cha Eungyeol.
"Sulli is so pretty!"
"Yeah, especially in TTBY."
by xxjojoahnxx April 17, 2013