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2.
An adjective used to describe a person who is incredibly full of themselves, usually from an affluent background. One who breaks his own back because it cannot support the tremendous weight of his dick.
Vecchio: I have three fractured vertebra because my dick is so big and because i have so much sex.
Person 1: Alright vecchio.

by People against chris April 24, 2008
 
1.
Literally "old man" in Italian. Usually used among Italian young people like "homie" or "dude" in American English.
Come va vecchio? - What's up homie?(English)
by Flavio October 27, 2006