"One Drink Ago" is a song written by Jessi Alexander, Rodney Clawson, and Ross Copperman, and recorded as a duet between Canadian country artists Dallas Smith and Terri Clark. It was released to Canadian country radio through 604 Records on March 28, 2018 and was released to digital retailers on March 30, 2018. "One Drink Ago" was intended as the lead single for Clark's forthcoming eleventh studio album, but was left off the track listing when Raising the Bar was released. The song has become Smith's record-extending eighteenth consecutive top ten country hit.