There have been 1383 UK chart single number 1s since 1952.
In this song, Hilson is in control as the male rapper has no money. She likes him anyway, and takes the position of financial power by offering him a "tip" if he "strips." This was popularized in a commercial for McDonald's where the song plays in a roller skating rink where a bunch of kids are having some good, wholesome fun. At the beginning of the spot, we see the record with the name of the song. This kind of marketing is very effective as the commercial reaches such a wide audience.
More songs from the same decade.