1. A person who brags in an extremely expialidocious manner, especially if this person has a poor comprehension and command of the English language, and lies pathologically with diagnosed Narcissistic Personality Disorder.
2. A meaningless neologism invented during the September 26th, 2016 presidential debate by the candidate representing the conservative "Bumptious Impetuous Globular Oligarch-Tangerine" Party of the United States, Donald J. Trump.
..."And the reason I say this, and I don't mean it in a braggadocious way, is because it's about time that... (candidate trails off into incomprehensible nervous babbling)"
The first six months of a woman's engagement, when her number one priority is informing as many people as possible that she's engaged and/or showing off her wedding ring as much as possible.
It's difficult to get anything done in the office while Suzy is still in the Braggadocio Stage. All she does is talk about the wedding.
dude 1: Man, did I ever tell you about that day I scored the winning touchdown in the playoff game and then nailed the hottest cheerleader later that night?
dude 2: yeah, only like a million times, so stop being so bragadoucious already.
Cook: "Who's that loud fuck sitting across the bar."
Pete: "Oh, that's Adam."
Cook: "What a dickhead."
Pete: "Yeah, but in spite of all the braggadocio, I actually like the guy."
Cook: "Really?"
Pete: "No, really?"