waffle brain

Somebody who is over educated and thinks they know everything all of their knowledge has come from books but they have never had a real life hands on experience with any of their preaching so in reality they don't really know jack shit about anything and they might as well be mentally handicapped

Dude our foreman on this job doesn't know Jack shit about anything what a f****** waffle brain he better go sit his ivy school ass down in his air conditioning Job trailer before he fucks this whole project up