What does Armchair intellectuals mean?

Armchair intellectuals meaning in Urban Dictionary

someone who uses their spare time wirting useless letters and posting useless opinions in neighborhood newspapers, an individual who watches daytime television quiz shows particularly Eggheads, The Chase and Pointless. He'll always say simply how much more interteligent, he's, compared to contestants on stated programs. Somebody who believes they know every thing about anything, when truly they don't really. A person who reads the Socialist Worker newspaper and purchases the major concern, to exhibit his grassroots views whenever really, he lives in a council household.