If the person for example is annoying and you dislike him you may then to decide to use the term unofficial which is basically everything which is not official.
Finally the last context is an act done by someone, which is pulled of perfectly and is generally good all round. If however they bail that is unofficial.
There are other contexts obviously but far to many yo put here (e.g. place, name, colour etc) so use in whatever context you like, but make sure its an official context.
: "saterlite tv is official", "cable is unofficial"
Person: "God dam, that lad is official", "Dean Whitehead is so good at football he is official".
:"Alan Shearer is whack he is the most unofficial person i have ever set eyes on!"
Act: "woah downed a pint in 5 seconds thats official"
: "he tried to claim shotgun after i called it, thats unofficial!"
Place: "Newcastle is official, Newcastle United are the most unofficial football team in the world!"
: "Shefield is a shit hole its sooo unofficial."
: "Sunderland AFC are the best team in the world they are official!"
Guy1 "uuughh, I need to eat some ass."
Guy2 "Dude, you're official."
Guy 1- "When I was drunk once, I gave a dude a BJ"
Guy 2- "Get your official ass away from me!"
2. Official (n): An authorized (noun), authorized by the company, person, government etc. with the rights to the (noun). In essence, something that is sanctioned, supported, or condoned by the owners.
3. Official (Adj): A tagline used incorrectly, frequently, and inanely in topic titles on message boards. Intended to gain the attention of other, also stupid board members, by flagging they're attention. The belief is that people will go to their topic if it is 'official' which in 99.9% of the time, is not actually official, just says it is. Blandly, it is an adjective used by board memebers to indicate the importance or special nature of their topics, regardless of the fact it is not, in fact, official at all.
" I don't know, let's ask an official."
2. Bob Dylan's official website is the website promoted, run, and authorized by Bob Dylan and his record label.
3. "Hmm, how to get attention to my cretinous, unsubstanciated topic....I know! :::::!!!!---THE OFFICIAL HALO 2 TOPIC-----!!!!!:::::::