5 Seconds of Summer / Teen Choice Award Winning Songs August 6, 2018 by SMF · Published August 6, 2018 · Last modified September 12, 2020 5 Seconds to Summer’s “Youngblood” Lyrics Meaning “Youngblood” is a track recorded and performed by the Australian pop rock band 5 Seconds of Summer (also known as 5SOS). Lyrically, this track sees the singer (Hemmings) addressing his girlfriend and lamenting about...