“TiO” is a smooth R&B song by Zayn featured on his debut album, "Mind Of Mine".
“TiO” is an abbreviation for ‘Take It Off’. “TiO” describes Zayn being so infatuated with his lover that he wants her to ‘take [everything] off". While this song is filled with sexually innuendos, it could be taken as Zayn’s lover finally feeling like she can show her true self and not have to hide behind anything, Zayn said in his eponymous official autobiography, .