"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.

[1] "One Drink Ago" was intended as the lead single for Clark's forthcoming eleventh studio album,[2] but was left off the track listing when Raising the Bar was released.

[3] The song has become Smith's record-extending eighteenth consecutive top ten country hit.

[5] The song is a duet which blends Smith's rock-oriented vocal with Clark's more traditional country style.

[6] "One Drink Ago" debuted at number 36 on the Billboard Canada Country chart dated April 14, 2018.