Frank Mankiewicz, the coiner of the word "retronym", says of of his favorites is "two parent" this
... His attempt to resurrect his political career by glomming onto... [DOC] [TLE] Retronyms [PAR] (Greek: retro = backwards, + nym/onuma = name); A word or figure of speech that 
gets modified to ... Frank Mankiewicz, an aide to Robert Kennedy, while 
President of NPR, in 1980.