The "yummy" in the song is widely understood as a reference to sexual chemistry and intimacy within his marriage.
Bieber uses a rap-sing style in the pre-chorus and his signature falsetto during the bridge. 01 Yummy.m4a
Heavily relies on a repetitive, catchy chorus ("You got that yummy-yum...") designed for viral appeal. Meaning and Lyrics The "yummy" in the song is widely understood