two-timer
nounEtymology From two-time + -er.
1
A person who two-times another.
- When you know she's no high climber / Then you find your only friend / In a room with your two timer / And you're sure you're near the end1972, Donald Fagen, Walter Becker, “Do It Again”, performed by Steely Dan:
- So I went out with her for a couple of months but I didn't stop seeing Helen. I thought I was being smart—I had gone from being a total loser to being a two-timer.1991, George Michael, Tony Parsons, Bare, London: Penguin Books, →ISBN, page 129: