To be the type of idiot that not only doesn't have a proper grasp of the English language, but also has no coordination and occasionally runs into things and trips over their own feet
Allison is a blundering idiot and usually gets high right before going to her parents house.
A high idiot is most likely a Canadian who smokes or eats copious amounts of Marijuana. Common attributes are a flat beaked hat, shatter pen, and a stunned look.
That high idiot was late to work because he was waiting for his volcano vaporizer to hit optimum temperature.
One who slows traffic during peak hours by blocking entrances, revolving doors, escalators, etc., without consideration of other commuters.
Isn't it common sense that you stay to your right on the escalator if you don't move your ass? Not to mention those fumbling their wallets right at the subway turnstile. I'm fed up with these rush hour idiots!