What does armchair engineers mean?

armchair engineers meaning in Urban Dictionary

These are typically 24 year old yuppie wannabees straight out of college. It will take about eighteen months getting all of them to the point in which they may be able actually do anything constructive for the organization. As soon as this happens, they get a stupid subject aided by the word "worldwide manager" or something like that, and using this point-on will likely not put their practical any such thing tangible, like a product.