two-time

two-time

To cheat on one's romantic partner (by having a relationship with someone else). After I found out that Jed was two-timing me with the woman next door, I left that lowlife!
Farlex Dictionary of Idioms.

two-time someone

Sl. to cheat on or betray one's spouse or lover by dating or seeing someone else. 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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

two-time

tv. to deceive one’s lover. Sam wouldn’t two-time Martha. He just wouldn’t!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • two-timer
  • the buck stops with (one)
  • onto
  • finesse (someone)
  • hooted
  • lowlife
  • low-life
References in periodicals archive
Heyne (pronounced High-knee) played from 1991-94, finished her career third all-time in kills at SIU (1,163) and was a two-time All-Conference selection.
"Dib is a respected and experienced two-time World Champion so I'm looking forward to pitting my skill against him," he said.
Other two-time winners are Jimmy Alapag, Boyet Fernandez, Jasper Ocampo and the late Ric-Ric Marata.
The other two-time winners were Jimmy Alapag, Boyet Fernandez, Jasper Ocampo and the late RicRic Marata.
The post Two-time champion Kvitova knocked out by Brengle appeared first on Cyprus Mail .
Allyson Felix, Four-time Olympic gold and two-time silver medalist; track and field
She was her team's captain, a two-time Central Mass.
Dasaolu's event has been tainted by doping, been tainted by doping, with the fastest man in with the fastest man in the world in 2014, Justin the world in 2014, Justin Gatlin, a two-time drug atlin, a two-time drug cheat.
Previous two-time winners include Nick Faldo, Padraig Harrington, Tony Jacklin, Sandy Lyle, Bernhard Langer and Annika Sorenstam.
Bradley has served as two-time chair of the Electric Underground Committee; and Committee member service.
By Sports Reporter/Doha The 2012 Open Champion and past US Open Champion Ernie Els and the two-time US Open Champion Retief Goosen will each aim to win the Commercial Bank Qatar Masters for a second time when the two South African legends compete in the tournament's 16th edition at Doha Golf Club next week, from January 23-26.
However, the testing ground brought stamina into play and Robert The Painter - who is yet to win beyond 6f - was worn down close home for the second time in succession, this time by two-time course-and-distance winner High Resolution, who came home strongly to defy an in-running high of 19 (SP 6-1).
Two-time world marathon gold medallist Jaouad Gharib of Morocco was third, in one hour and five seconds.
A two-time US Open winner, Venus advanced to the quarters for the third time in the last four years after being unable to enter the event in 2006, overcoming 31 unforced errors with 33 winners to improve her record to 2-0 against Radwanska.
Some of the world's most accomplished athletes--two-time NBA MVP Steve Nash, two-time Olympic gold-medal swimmer Amanda Beard, two-time Olympic gold-medal soccer player Mia Hamm and 2008 X Games Halfpipe Gold Medalist Gretchen Bleiler--were involved with development of a new line of skin care called Mission Product.