Idiom
two-time someone
Theme: DECEPTION
to cheat on or betray one's spouse or lover by dating or seeing someone else. (Slang.)When Mrs. Franklin learned that Mr. Franklin was two-timing her, she left him.Ann told Bob that if he ever two-timed her, she would cause him a lot of trouble.
Idiom
two-time someonetwo-time (someone)
to have a sexual or romantic relationship with two people at the same time.If I ever found out she was two-timing me, I'd kill her.