Morgen,
eigentlich ist Schmoogie ein eher abfälliger Ausdruck für Schwarze.
Hier die Erläuterung auf Englisch:
derogatory term for african american or nigger. What makes schmoogie different is that you can say it around blacks and they don't know what the hell you're talking about.
"Hey Frank, look at that schmoogie! He's waving at us but doesn't know we're calling him a racist name. Brilliant!"