Mattoid a. Mentally unbalanced with regard solely to a specific subject. "Wayne and Clark are so sensible in every way; but get them talking about Judy Garland . . . "
Each Tuesday, we’ll offer up a Superior Word for the edification of our Superior Readers, via the volumes of the inimitable Peter Bowler. You can purchase all or any of the four Superior Person’s Books of Words from the Godine website. Mattoid appears in the Third.