For the chart issue dated September 10, 2005, "Curious" debuted at number 94 on the US BillboardHot R&B/Hip-Hop Songs chart: it went on to peak at number 85, spending five weeks on the chart in total. Chart-position wise, "Curious" became the second most successful single from Thoughts of a Predicate Felon, behind only the album's first single, "So Seductive", which reached number seven on the corresponding chart and also peaked at number 48 on the US Billboard Hot 100.
The video is about how Tony Yayo spots a girl he likes, and is 'curious' to know what it would take for her to be his. At the end, the video cuts into another Tony Yayo song called "Pimpin". The video features G Unit.