A person that is good looking and uses social media sites (i.e. Facebook, instagram, twitter, etc.) to make themselves seem cocky and cool. But when meeting the person they are awkward and unsure of themselves.
Girl 1: I met Jeff last night.
Girl 2: Oh how did that go?
Girl 1: He was really only social media cocky, it was unfortunate. He seemed so cool online.
someone who is obsessed with something specific (computer, video games, Star Wars, etc.) and arrogant about the knowledge or ability they possess about their obsession
Why do you have to be so nerd-cocky about Star Wars?
A game played with roommates or otherwise in which two or more same gendered, straight people feel like getting a little frisky. Meaning these people, upon the opportunity are so desperate to get some action that they say fuck it, and fuck each other.
Roommates Sergio and Juan Miguel are sitting on opposing sofas and start to get bored. Juan Miguel spots Sergio looking un-normally . Juan Miguel, "sergio, are you sleeping?, do you want to play, bu-cocky?" The balls are now in Sergio's court, as he is in control and can take bucocky where-ever he wants.