(of a hit record) That has entered the charts in a high position, or has climbed rapidly in the charts, or is thought to have the potential for further rapid advancement.
"Free The World" has moved up again and is now Number 25 with a bullet on the Billboard Hot Dance/Club Play Charts!!"
Wiktionary
Origin of With-a-bullet
From the magazine Billboard's practice, in the 1960s and 1970s, of putting a bullet sign in front of chart entries for songs that had sold one million singles.
From
Wiktionary
With-a-bullet Sentence Examples
Unless his body floats in with a bullet hole in the head or he gets pinched for speeding in Vegas, it's going down as an accident in my report.
They include an old woman with a bullet wound -- still clutching a white flag when aid workers found her.
The downside was someone always managed to hit Jackson with a bullet or two or drive a knife into him, and break the tip off in a bone.