A short man with an abnormally large sized penis.
Jesus Chirst, what a troisi! I can't believe his dick is 8 inches, he is only 5' 6.
by Raymond_Murphy May 17, 2017
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Troisi is someone who is prone to stalking their friends via face book, google images, and sometimes even urban dictionary. Or could be someone like Patrick Star from Spongebob.
Patric Star is such a Troisi.

She has commented on my wall so much, she is such a troisi.
by Chey Rallis September 29, 2010
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