The song was written by the two artists alongside Steven Victor, Brittany "Chi" Choney, Denisa "Blue Jeans" Andrews, Linden Bascom, Ryan Press, and producers BoogzDaBeast (Boogz), 2300, and Jess Jackson, with additional writing credits going to Ne-Yo and Stargate for the sampling of the former's "So Sick".
On July 15, 2021, Pop Smoke's manager Haitian-American record executive Steven Victor revealed Faith's track list via his Instagram that included the song with a feature from American R&B singer Chris Brown.
[4] "Woo Baby" was written by Pop Smoke and Brown alongside Victor, Jess Jackson, Ne-Yo, Mikkel Eriksen, Tor Hermansen, Brittany "Chi" Choney, Denisa "Blue Jeans" Andrews, BoogzDaBeast under the moniker of Boogz, Linden Bascom, and Ryan Press.
[12] In a negative review, Alphonse Pierre for Pitchfork mentioned he "[felt] dirty" while listening to "Woo Baby" and stated it was "obviously made to fill the radio airwaves with white noise".
[18][19] In the UK Singles Chart, the song debuted and peaked at number 54, becoming Pop Smoke's 13th and Brown's 53rd top 75 hit in the United Kingdom, respectively.