Green’s Dictionary of Slang

no-goodnik n.

[no-good n. + -nik sfx]

(orig. US) a general pej., an unpleasant or unreliable person.

S.J. Perelman Crazy Like a Fox n.p.: A parasite, a leech, a bloodsucker—altogether a five-star nogoodnik [R].
[US]Mad mag. Mar. 31: Floodnick, you nogoodnick ... I know you’re in ca-hoots with the owl-hoots and don’t give two hoots.
[UK]G. Kersh Fowlers End (2001) 231: They were living in horrible sin, the nogoodniks!
[US](con. 1920s) R. Barber Night They Raided Minsky’s (1968) 164: Meyer did the work of six men because of them no-goodniks.
[US]C. Bingham Run Tough, Run Hard n.p.: So the hell with Brett Sayers. Damn him to hell and gone. A no-goodnik from Creepville.
[US]N.Y. Times 3 Mar. 37: A 17-year-old girl who has run off with a 19-year-old nogoodnik.
[US]H. Rawson Dict. of Invective (1991) 272: no-good. [...] sometimes elaborated as no-gooder or no-goodnik.
[Aus]R.G. Barrett White Shoes 40: He’s a nogoodnik. He’s a smuggler. Among other things.
[US]Mad mag. Nov. 16: Your son Clunker has been stealing from you! I know, my son’s a nogoodnik!
[US]J. Ellroy Widespread Panic 198: That evil no-goodnik has become an ace jailhouse lawyer.