A person who does not have any background in meteorology but still says certain things are going to happen, normally from the comfort of home with an installed radar on their PC or phone and never uses actual weather models to make predictions.
Jeff keeps saying the storm will die out before it hits us, he's really being an armchair meteorologist.
What a wife or girlfriend becomes at the start of a season of sportball, esp. NFL
(wife to husband): "These last few weekends at the beach have been nice. Too bad I'm going to lose you to football. You're making me an armchair widow"
(one gf to another gf): "We were dating for like, three months, then BAM. He's watching games and doesn't want to go out"
(other gf): "girl, you a armchair widow"
A person, particularly in science academia, who *never* actually does any work, but loves to obnoxiously pontificate during meetings on a wide variety of topics, usually exposing the fact that they have no practical knowledge on any topic whatsoever. When it comes time to publish, they insist that they be included on the author list because they contributed "expertise" and "guidance". They butt into private work conversations, and immediately use the royal "we" to describe what "we" are doing on the project.
Such individuals are invariably total ass kissers to those in charge, which explains how they are often able to progress in academia despite knowing fuck all, and contributing nothing.
"The new graduate student is a total frickin' armchair genius. He's coming down the hall... quick, close the door and pretend we're not here before he tries to pretend he's in charge of the lab project we've been working on for the past five years."
Any person who criticizes porn scenes and makes claims that they would have been able to do better.
I was having tea the other night with Chester while we were watching the flick My Mom blows like the wind. When the mother started blowing the daughter's boyfriend, Chester said "that dude is a bitch, he can't even get a hardon". He is such an armchair pornstar.
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An individual who will behave in an overly aggressive and confrontational manor, due to the saftey of internet anonimity and the low chance of violent retaliation taken against them.
Usually refers to teenage online gamers and forum posters who insult others and pretend to be 'bad ass', in the knowledge that there is a low probability that they will come to physical harm themselves.
XxEliteSnipezYouDeadxX: "MasterChief117xXx. I'm going to rape your mom then kick your ass, you pussy bitch"
MasterChief117xXx: "Bring it on you TK'ing jerk"
XxXSniperHawkzXz: "Damn that XxEliteSnipezYouDeadxX is such an Armchair Rebel"
or
Johnny: "Yo Mike, I just told this fag on the WoW forums that his lightning shield of mana burn sucks my balls, and that I pound his mom every night"
Mike: "That's cold dude"
Johnny: "Who cares, what's he gonna do, track me down?"
Mike: "You're such an armchair rebel dude, if he ever found you, you would shit yourself"
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Someone judging another person and saying they can do such a better job, just cause their trying to be cool and hide what their really thinking and feeling.
Armchair Quarterback.
He/she sit's in a chair and tells the quarter back on TV what to do cause he/she thinks they can do a better job..
Just a different meaning behind Armchair Rockstar
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Biology research so pointless its only real use is for the people who research it to sit around in armchairs discussing said pointless dribble with each other. Ironically, armchair biologists usually feel a false sense of superiority, insisting that the obscurity of their work only makes is more special and therefore noteworthy. Such research is often conducted in a whale jail and may or may not be cupcake science. In summary, armchair biology wastes money and time to help nobody in the end and armchair biologists are pretentious assholes.
Mark: Julie just spent 9 years on her Ph.D. figuring out the chemical compounds in eider spit from the western Aleutian Islands.
John: Nobody is ever going to give a shit about that in a million years, what a goddamn waste of time!
Mark: Yeah I know, another bright mind lost to armchair biology.
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