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2.
A person who was born a man that goes under sexual reassignment surgery before the genitals are finished. Also known as a pre-op transexual.
John: That girl looks kind of manly.
Jose: She a titboy?
John: Wouldn't doubt it.
by BlackTar May 07, 2011
 
1.
someone who thinks they are more superior than u but really arent also someone who is soft (see soft).
Dad: "Don't say titties again."
Son: "I'll say titties whenever I wanna say titties, Tit Boy!"
by titboyjr April 05, 2010
 
3.
A child who acts like a complete TIT
Look at little Johnny over there, he's such a titboy
by Jervis Daniels October 24, 2009