Definitions by SayaMae

L.S.S. 

(noun) L.S.S- Last Song Syndrome: when you continously hum or sing the last song you heard.

My mom had a case of L.S.S. this morning as she continously sang the last song she heard on the radio, "Livin' on a Prayer" by Bon Jovi.

L.S.S. by SayaMae July 3, 2007