billy was a bright kid, but had a bad habit of becoming an intellec-tard after his 3rd beer resulting in drooling and an inability to shut up
one who in spite of his/her radical intelligence is prone to being
"billy was a bright kid, but had a bad habit of becoming an intellec-tard after his 3rd beer resulting in drooling and an inability to shut up" What is the definition of "intellec-tard"?