"be there and be square" meaning in All languages combined

{
  "etymology_text": "From the phrase be there or be square. Originally in The Simpsons, episode \"Mayored to the Mob\", aired in 1998.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
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      "expansion": "be there and be square",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English sentences",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "The Simpsons",
          "orig": "en:The Simpsons",
          "parents": [
            "American fiction",
            "Animation",
            "Disney",
            "Fiction",
            "United States",
            "Mass media",
            "Comics",
            "Film",
            "Television",
            "Artistic works",
            "North America",
            "Culture",
            "Media",
            "Literature",
            "Entertainment",
            "Broadcasting",
            "Art",
            "America",
            "Society",
            "Communication",
            "Writing",
            "Telecommunications",
            "Earth",
            "All topics",
            "Human behaviour",
            "Language",
            "Technology",
            "Nature",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2000, Network World, volume 17, number 40, page 74:",
          "text": "All nerds welcome. Be there... and be square.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used to encourage someone to go somewhere considered nerdy."
      ],
      "id": "en-be_there_and_be_square-en-phrase-BSy9Y-cH",
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "go",
          "go#English"
        ],
        [
          "nerdy",
          "nerdy#English"
        ]
      ],
      "raw_glosses": [
        "(slang, humorous) Used to encourage someone to go somewhere considered nerdy."
      ],
      "tags": [
        "humorous",
        "slang"
      ],
      "wikipedia": [
        "Mayored to the Mob",
        "The Simpsons"
      ]
    }
  ],
  "word": "be there and be square"
}

{
  "etymology_text": "From the phrase be there or be square. Originally in The Simpsons, episode \"Mayored to the Mob\", aired in 1998.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "be there and be square",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English coordinated pairs",
        "English entries with incorrect language header",
        "English humorous terms",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English rhyming phrases",
        "English sentences",
        "English slang",
        "English terms derived from The Simpsons",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:The Simpsons"
      ],
      "examples": [
        {
          "ref": "2000, Network World, volume 17, number 40, page 74:",
          "text": "All nerds welcome. Be there... and be square.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used to encourage someone to go somewhere considered nerdy."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "go",
          "go#English"
        ],
        [
          "nerdy",
          "nerdy#English"
        ]
      ],
      "raw_glosses": [
        "(slang, humorous) Used to encourage someone to go somewhere considered nerdy."
      ],
      "tags": [
        "humorous",
        "slang"
      ],
      "wikipedia": [
        "Mayored to the Mob",
        "The Simpsons"
      ]
    }
  ],
  "word": "be there and be square"
}