Bangana
A banana used in sexual intercourse, which may or may not be eaten afterwards.
John' packed lunch contained a ham sandwich, some jammy dodgers, and the bangana that he'd used to please his wife the night before.
bangana split
a move men use on young adolesent girls, where they bang them, and then split before they wake up.
Matt: whatcha do last night?
Dave: nothing much, just pulled a bangana split on some hot chick.
Dave: nothing much, just pulled a bangana split on some hot chick.