1. An over-privileged male.

2. A male who was fed natural breast milk as a child.
Hey titty boy, why don't you go home to your momma.
by bigjimi April 14, 2014
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Isaac when he loses in smite
Why did isaac leave..........probably because he sucks and is being a titty boy
by Bock bock May 14, 2018
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Titty Boy McCoy is a nickname for the real og callum mccoy yup I said
Me and Titty Boy mcoy are going halves on a block sham yup yup
by Calculatorfucker July 2, 2018
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A nickname for a fat male, usually a friend and or relative , might call themselves this
Heyyy titty boy, how you been” a greeting to the large fellow
by Jimslomi April 23, 2019
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