Noun: men who flash money around and speak loudly to attract attention to themselves in the hopes of making them look important and/or cool.
(plural spacconi).

1: Someone, typically a man, who needs to show the world, specifically women, that he has money and knows how to spend it. Normally this person has little or no money and lives pay check to pay check without any regards to the future.

2: a boaster; poser; loudmouth