vellegiri 

Word comes from the combination of

"velle"

1.) common term to describe everything is easy go
2.) pass time idly

and

"giri"
1) common suffix added to slang nouns to turn them into adjectives to describe someone.
2) A suffix added to the name of an individual (a) in order to describe another individual(b) who is behaving like individual (a).

Usage:
1) Do your work, don't do vellegiri.
2) Stop doing vellegiri, you are not on vacation !

vellegiri by Amtu777 July 15, 2009

Fra cazzo da Velletri 

1. It's a sentence from Rome slang. It means a self-important persone, but in fact, a guy no one knows coming from a little town no one knows.
2. It could be used also to say "you know very well who"

2. A husband comes back home and shuts the door. The wife asks: "Who is?" - the husband: "Fra Cazzo da Velletri" (= who else do you wonder it could be?)

Fra cazzo da Velletri by Clorophilla April 8, 2016

velleitious 

A person who is prone to episodes of Velleity.

"Charlene always says she is going to do something, and then she doesn't. She is very velleitious."

velleitious by daleodiablo December 29, 2013

Fra cazzo da Velletri 

It means litterally "friar dick from Velletri" (a city near Rome) .
Is used to describe a conceited and egocentric person

Ao ma chi sei ? fra cazzo da Velletri ?

What the fuck are you? Friar dick from Velletri?

Fra cazzo da Velletri by ErBu March 8, 2016