A degenerative brain disease, usually occuring in older adults, which makes them feel omnipotent and dispasionate while behaving more and more infantile.
My boss issues tirades while drooling from one side of his mouth and forgetting that I don't even work in that department. He is insufferable and has advanced Trumpmentia.
by Big Little Bro December 19, 2017
The act of blindly repeating trumps words without thought, or opposing something or someone who contradicts the often wrong trump.
Dan believes that a US President can declassify any document any time. His Trumpmentia is worsening.
by Bacon_Sarnie69 September 23, 2022