The title is a parody of the film American Gangster.
Cleveland imitates Jar Jar Binks from the Star Wars prequels when he tells Donna that he'll try to punish Rallo his way.
Junior eats the dessert similar to the video game character Kirby.
Reverend Jenkins references the Harlem Globetrotters and their long-time foils, the Washington Generals as well as Lou Ferrigno and the television series The Incredible Hulk in his sermon. After Rallo is arrested, he quotes the lyrics from "Carry On Wayward Son" which is picked up by the congregation.
Right before he jumps in the river, Rallo references the basic premise of Le Comte de Monte-Cristo (The Count of Monte Cristo) by vowing to disappear and return 12 years later as an eccentric millionaire as part of his plot to extract revenge against Cleveland.
Before Junior dives into the river, he imitates Chevy Chase from the film National Lampoon's Vacation.
Junior sings "In the Shower" as a parody of the song "In the Ghetto" by Elvis Presley.
Wally uses the film title Bend It Like Beckham as a euphemism for masturbation.