twit waffle
Someone who is obsessed with their own image, thinks they know more than anybody else but, in reality can't speak or comprehend beyond a 3rd grade level, has no clue about American or world history or culture, Is a bully and is so thin skinned that they can't take the most simple critique. Similar to twat waffle but, this person normally advertises their stupidity on Twitter.
President Trump is such a twit waffle!