Many are sloppily melodramatic and the show seems thrown at you unedited.
From the title on, Cheney the author seems hopelessly, blindly, foolishly, sloppily in love with his subject.
1727, "muddy," from slop (n.1) + -y (2). Meaning "loose, ill-fitting, slovenly" is first recorded 1825, influenced by slop (n.2). Related: Sloppily; sloppiness. Sloppy Joe was originally "loose-fitting sweater worn by girls" (1942); as a name for a kind of spiced hamburger, it is attested from 1961.