You motherfuckers watch how I attack (yeah)
If that's your girl, better watch your back (yeah)
Cause she'll burn it up for me, and that's a fact

from Justin Timberlake (Ft. Timbaland) – Sexy Back Lyrics on Rap Genius

Meaning

If you’re not paying attention to your girl in the club, you may regret it — JT has game and he’s coming to get your girl!

To help improve the meaning of these lyrics, visit “Sexy Back” by Justin Timberlake (Ft. Timbaland) Lyrics and leave a comment on the lyrics box