"UB2" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
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      "alt_of": [
        {
          "word": "you be too"
        }
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        {
          "ref": "1993 December 3, “Variations”, in The Boston Phoenix, volume 22, number 49, Boston, Mass.: The Phoenix Media Communications Group, Adult Services, page 3:",
          "text": "Attractive marriage minded SWM submissive seeks domina 2worship 4ever. Sincere, caring, passionate, DDfree [drug- and disease-free], 4real UB2.",
          "type": "quote"
        },
        {
          "ref": "1996 October 4, “Variations”, in The Boston Phoenix, volume 25, number 40, Boston, Mass.: The Phoenix Media/Communications Group, Adult Services, page 4:",
          "text": "MWM, 27, good looks, inexperienced, seeks other S or MWM, 18-27 for friends and occasional encounters. I’m very clean + discreet. UB2.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of you be too."
      ],
      "id": "en-UB2-en-phrase-~x0yD4k-",
      "links": [
        [
          "personal ad",
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          "you",
          "you#English"
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        [
          "be",
          "be#English"
        ],
        [
          "too",
          "too#English"
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      ],
      "raw_glosses": [
        "(in personal ads) Abbreviation of you be too."
      ],
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        "in personal ads"
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
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    {
      "alt_of": [
        {
          "word": "you be too"
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      "examples": [
        {
          "ref": "1993 December 3, “Variations”, in The Boston Phoenix, volume 22, number 49, Boston, Mass.: The Phoenix Media Communications Group, Adult Services, page 3:",
          "text": "Attractive marriage minded SWM submissive seeks domina 2worship 4ever. Sincere, caring, passionate, DDfree [drug- and disease-free], 4real UB2.",
          "type": "quote"
        },
        {
          "ref": "1996 October 4, “Variations”, in The Boston Phoenix, volume 25, number 40, Boston, Mass.: The Phoenix Media/Communications Group, Adult Services, page 4:",
          "text": "MWM, 27, good looks, inexperienced, seeks other S or MWM, 18-27 for friends and occasional encounters. I’m very clean + discreet. UB2.",
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        }
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        "Abbreviation of you be too."
      ],
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      "raw_glosses": [
        "(in personal ads) Abbreviation of you be too."
      ],
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        "in personal ads"
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  "word": "UB2"
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