Polonium is also at the center of a major plot line currently playing out on the daytime soap opera General Hospital.
Amid their screams of fury, one woman could be heard shouting into a phone, "People are sick of the soap opera!"
She also starred for two years in the soap opera The Bold and the Beautiful.
"melodramatic radio serial" (later extended to television), 1939; so-called because sponsors often were soap manufacturers, from earlier horse opera "a Western" (1927). Shortened form soap for this first attested 1943.
The attitude from which one orates, pontificates, counsels urgently, etc: Be careful or she'll get on the old soapbox and preach about fiscal iniquity (1907+)