Tiarnan is a charming , sweet , attractive , well rounded guy. He is atheletic , hot , a great kisser and so many more amazing qualities. When it comes to a Tiarnan, keep him close and make sure he stays in your life. If you have a Tiarnan in your life, then youre very lucky! Tiarnan has a perfect body and the sexiest abs. He is the type of guy you'd fall in love with.
by shae47 November 27, 2011
Tiarnan is a person with a deformity in the male genitalia. It is extremely small and often shrinks into the abdomen, which can cause random and violent twitches of confusion, rage, and shame. They also have problems associated with mental retardation including drooling, licking of windows, and public masturbation habits. Often a slang word for a "retard"
by guttedmateee August 01, 2011