Keyboard Commando

Keyboard Commando

(messaging)
A bulletin board user who posts authoritatively on military or combat topics, but who has never served in uniform or heard a shot fired in anger. A poseur.
References in periodicals archive ?
It turns out my antagonist was a "keyboard commando." However, this threat made this incident, to me, personal.
Not keyboard commandoes, thank you, but the people who actually fight the bad guys first-hand.
The only "industry experts" disappointed in the show were keyboard commandos who forecasted the show would be a "downer." Their predictions were based on the significant downturn in business last year, which, they said, would impact SHOT Show.
Some so-called keyboard commandoes who say, "We don\'t want peace, we want revenge" from the comfort of their easy chairs do nothing but generate a laughable sense of false heroism; these people generally seek to ease their consciences by saying, "I did not remain silent" yet they are not facing shelling and neither are they in danger in an active war zone.