To two time is to double cross someone or do something behind someone's back, especially to cheat on a spouse.
To two time is defined as to double cross someone or do something behind someone's back, especially to cheat on a spouse.
verb
- deceive or be unfaithful to (a lover or spouse)."he was two-timing a fiancée back in England"
- denoting someone who has done or experienced something twice."a two-time winner of the event"

