I have never heard that rapper Chingy has worked with The Neptunes, but according to the ASCAP site, the tune they did together is called ‘Madd At Me’, thanks to Maki.
MADD AT ME Work ID: 431154039
ISWC: T0719680257
Writers:
BAILEY HOWARD EARL
BETHA MASON
DAUGHERTY SHAMAR D
HUGO CHARLES EDWARD
LEE ALONZO E
WILLIAMS PHARRELL L
Performers:
CHINGY
Variations:
MADD @ ME
MAD AT ME