The phrase "Niggas just wanna dance wit'chu" appears in the chorus/verse of this 50 Cent track.
If you were thinking of a different artist, song, or a phrase from a video/movie, let me know! I can tailor this write-up if you provide: The Genre Any context you have about where you heard it. 50 Cent – Get Out The Club Lyrics - Genius Dance Wit Chu
It represents a, direct, urban approach to asking someone to dance or connect in a club setting, juxtaposed with themes of wealth ("Gucci, Fendi and Prada") and club conflict. The phrase "Niggas just wanna dance wit'chu" appears
It is often used in the context of bragging rights and, as in the song, trying to grab attention in a crowded, high-energy environment. or a phrase from a video/movie