"Back in the Day (Puff)" is a song recorded by American singer Erykah Badu for her third studio album Worldwide Underground (2003).

It was written and produced by Badu, James Poyser and Rashad Smith, and was co-written by Audrie Magget.

The song was released as the second and final single from Worldwide Underground on October 6, 2003, by Motown Records.

US 12-inch vinyl[1]