(medicine) A disorder where increased levels of the hormone gastrin are produced, causing the stomach to produce excess hydrochloric acid; often caused by a tumor (gastrinoma) of the duodenum or pancreas, and resulting in peptic ulcers.

(idiomatic) The supposed psychological phenomenon of immaturity among some men, who, like the fictional character, remain childish and fail to assume appropriate adult social roles and responsibilities.

plural of foreign accent syndrome

(medicine, psychology, neurology) An extremely rare disorder, which may be temporary or permanent, in which a person who has suffered a stroke or other brain trauma recovers but subsequently speaks with a seemingly foreign accent.

Alternative spelling of true-believer syndrome

A phenomenon in which witnesses to a staged event continue to believe in its authenticity even after it has been debunked.

(medicine) A syndrome characterised by polycystic ovaries, menstrual disturbance, and high levels of androgens or insulin.

(neurology, medicine) Rapid-onset muscle weakness, often severe and sometimes fatal, resulting from impaired peripheral nervous system function, associated with various viral and other infections.

(pathology) An infusion reaction to vancomycin, causing flushing of the skin and an erythematous rash on the upper body.

Synonym of red man syndrome