-plegia, -pleg, -plegic, -plegy, plego-, pleg-
(Greek: stroke, blow, strike; paralysis)
2. Paralysis of the heart as a result of hypothermia or cold.
2. A sudden loss of muscle tone (cataplexy) induced by uproarious laughter.
Cataplexy is a debilitating medical condition in which a person suddenly feels weak and collapses at moments of strong emotion; such as, laughter, anger, fear, or surprise.
Laughter and other emotions trigger a reflex in persons that can bring many of the muscles of the body to the point of collapse.