Johnny Depp uses this word in the 1997 film Donnie Brasco. But this word was not in the script. "Fugazy" was a name he saw on the side of a work van while on set. He liked the way Fugazi sound and decided to improvise the name into the movie. It is not real Italian or any type of Italian slang.
Fugazzi Plumbing / Fugazy HVAC