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

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions-phrases en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "There’s a huge party on Saturday night; be there or be square.",
          "translation": "Il y a une fête énorme samedi soir ; c’est là qu’il faudra être."
        }
      ],
      "glosses": [
        "Expression encourageant quelqu’un à se présenter à un rendez-vous, un rassemblement, une fête."
      ],
      "id": "fr-be_there_or_be_square-en-phrase-MDHLCCtz"
    }
  ],
  "sounds": [
    {
      "ipa": "\\biː ðeə.ɹ‿ɔː biː skweə(ɹ)\\"
    }
  ],
  "word": "be there or be square"
}

{
  "categories": [
    "Locutions-phrases en anglais",
    "anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "categories": [
        "Exemples en anglais"
      ],
      "examples": [
        {
          "text": "There’s a huge party on Saturday night; be there or be square.",
          "translation": "Il y a une fête énorme samedi soir ; c’est là qu’il faudra être."
        }
      ],
      "glosses": [
        "Expression encourageant quelqu’un à se présenter à un rendez-vous, un rassemblement, une fête."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\biː ðeə.ɹ‿ɔː biː skweə(ɹ)\\"
    }
  ],
  "word": "be there or be square"
}