In May, Apple removed an app called "Bang with Friends" from the App Store. As a quick refresher, "Bang with Friends" enabled users to select which of their Facebook friends they'd like to "hook up" with. If two users selected each other, they'd each receive an alert.
While the reason for the application's removal was never fully explained, it's plausible that Apple took umbrage with the app's extremely sexual overtones. From the title of the app to the default login screen, the app may have very well crossed the line in the eyes of Apple's review team.
At the time, "Bang With Friends" co-founder and CEO Colin Hodge