"two-timer" meaning in English

{
  "etymology_links": [
    [
      "two-time",
      "two-time#English"
    ],
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      "-er",
      "-er#English:_agent_suffix"
    ]
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        "2": ":af",
        "3": "two-time",
        "4": "-er<id:agent suffix>",
        "text": "+",
        "tree": "1"
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      "expansion": "From two-time + -er.",
      "name": "ety"
    },
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        "2": ":af",
        "3": "two-time",
        "4": "-er<id:agent suffix>",
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      "expansion": "Etymology tree\nEnglish two-time\nProto-Indo-European *-eh₂\nProto-Indo-European *-os?\nProto-Indo-European *-o-\nProto-Indo-European *-so-\nProto-Indo-European *-eh₂so-\nProto-Indo-European *-yós\nProto-Indo-European *-eh₂s(i)yós\nProto-Italic *-āsijos\nProto-Italic *-āsios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\n▲\nLatin -ārius\nOld French -ierbor.\nMiddle English -er\nEnglish -er\nEnglish two-timer\nFrom two-time + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "From two-time + -er.",
  "forms": [
    {
      "form": "two-timers",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "two-timer (plural two-timers)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "other",
          "name": "English entries referencing missing etymons",
          "parents": [],
          "source": "w"
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          "source": "w"
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      "examples": [
        {
          "bold_text_offsets": [
            [
              91,
              100
            ]
          ],
          "ref": "1972, Donald Fagen, Walter Becker, “Do It Again”, performed by Steely Dan:",
          "text": "When you know she's no high climber / Then you find your only friend / In a room with your two timer / And you're sure you're near the end",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              153,
              162
            ]
          ],
          "ref": "1991, George Michael, Tony Parsons, Bare, London: Penguin Books, →ISBN, page 129:",
          "text": "So I went out with her for a couple of months but I didn't stop seeing Helen. I thought I was being smart—I had gone from being a total loser to being a two-timer.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A person who two-times another."
      ],
      "id": "en-two-timer-en-noun-3EpnmgP~",
      "links": [
        [
          "two-time",
          "two-time"
        ]
      ],
      "synonyms": [
        {
          "source": "Thesaurus:cuckolder",
          "tags": [
            "obsolete"
          ],
          "word": "cornutor"
        },
        {
          "source": "Thesaurus:cuckolder",
          "word": "cuckolder"
        },
        {
          "source": "Thesaurus:cuckolder",
          "word": "cuckold-maker"
        },
        {
          "source": "Thesaurus:cuckolder",
          "word": "two-timer"
        }
      ]
    }
  ],
  "word": "two-timer"
}

{
  "etymology_links": [
    [
      "two-time",
      "two-time#English"
    ],
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      "-er",
      "-er#English:_agent_suffix"
    ]
  ],
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        "2": ":af",
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      "expansion": "From two-time + -er.",
      "name": "ety"
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      "expansion": "Etymology tree\nEnglish two-time\nProto-Indo-European *-eh₂\nProto-Indo-European *-os?\nProto-Indo-European *-o-\nProto-Indo-European *-so-\nProto-Indo-European *-eh₂so-\nProto-Indo-European *-yós\nProto-Indo-European *-eh₂s(i)yós\nProto-Italic *-āsijos\nProto-Italic *-āsios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\n▲\nLatin -ārius\nOld French -ierbor.\nMiddle English -er\nEnglish -er\nEnglish two-timer\nFrom two-time + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "From two-time + -er.",
  "forms": [
    {
      "form": "two-timers",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "two-timer (plural two-timers)",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "1972, Donald Fagen, Walter Becker, “Do It Again”, performed by Steely Dan:",
          "text": "When you know she's no high climber / Then you find your only friend / In a room with your two timer / And you're sure you're near the end",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              153,
              162
            ]
          ],
          "ref": "1991, George Michael, Tony Parsons, Bare, London: Penguin Books, →ISBN, page 129:",
          "text": "So I went out with her for a couple of months but I didn't stop seeing Helen. I thought I was being smart—I had gone from being a total loser to being a two-timer.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A person who two-times another."
      ],
      "links": [
        [
          "two-time",
          "two-time"
        ]
      ],
      "synonyms": [
        {
          "source": "Thesaurus:cuckolder",
          "tags": [
            "obsolete"
          ],
          "word": "cornutor"
        },
        {
          "source": "Thesaurus:cuckolder",
          "word": "cuckolder"
        },
        {
          "source": "Thesaurus:cuckolder",
          "word": "cuckold-maker"
        },
        {
          "source": "Thesaurus:cuckolder",
          "word": "two-timer"
        }
      ]
    }
  ],
  "word": "two-timer"
}