Are you here because you are looking for TTYN? What is TTYN? What is the meaning of TTYN? What TTYN stands for? If you’re looking for the meaning of TTYN the you’re on right website. I noticed that many people are asking the question, What does TTYN mean?. If you’re asking this question too most probably you watched Paris Hilton’s new BFF. A lot of people around the web was asking for this question after the show: Paris Hilton’s new BFF. To cut the story short, here’s the definition of TTYN.