(an'tē-kō'li-nĕr'jik tok'si-drōm) The constellation of clinical effects (i.e., signs and symptoms) characteristic of poisoning caused by an anticholinergic agent; conveniently remembered as "blind as a bat, dry as a bone, hot as a hare, red as a beet, and mad as a hatter." See also: Mad Hatter syndrome (2) , toxidrome