0 past participle, past simple of two-time
1 to deceive someone you are having a relationship with by having a secret sexual relationship with someone else at the same time:
I ended the relationship when I found out he was two-timing me.
The marketers and publicists would have us believe this is a dark, edgy teen comedy about a band of two-timed girls taking revenge on the school's biggest hunk.
Ken was bullied in the past by his classmates during middle school despite his apparent happiness and two-timed two girls, he even asked to be bullied in middle school.
