The Super Bass Songfacts reports that after Taylor Swift stated that she's a fan of the song and played the track on air, Minaj indicated that the country star's unsolicited promotion of the tune influenced the decision to release it as a single.
This one is for the boys with the boomin' system,
Top down, AC, with the coolin' system
When he come up in the club, he be blazin' up
Stacks on deck like he savin' up