play the field

/P L EY1 DH AH0 F IY0 L D/
verb
  1. 1

    To date more than one person at the same time.

    โ€œHe says I'm the only one, but my friends say he's playing the field.โ€

  2. 2

    To seek sexual variety.

  3. 3

    To experiment sexually with multiple partners.

  4. 4

    To engage in extramarital affairs.

Source: https://en.wiktionary.org/wiki/play%20the%20field