"copains comme cochons" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "friends like pigs"
      },
      "expansion": "“friends like pigs”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "friends like pigs"
      },
      "expansion": "Literally, “friends like pigs”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “friends like pigs”. The expression cochon in this expression is possibly not linked to the actual animal, as it is the basis of many negative expressions in French, and not normally considered a social animal. It has been proposed that older words like soçon (“friend”) (or a variation such as the 19th century Parisian chochon) or cosson (“merchant”) might have been altered into a more common word when they fell out of use.",
  "head_templates": [
    {
      "args": {
        "1": "mf",
        "head": "copains comme cochons",
        "onlyg": "p"
      },
      "expansion": "copains comme cochons (plural only)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French similes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "thick as thieves"
      ],
      "id": "en-copains_comme_cochons-fr-adj-3Fi7tD1p",
      "links": [
        [
          "thick as thieves",
          "thick as thieves"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) thick as thieves"
      ],
      "related": [
        {
          "word": "comme larrons en foire"
        },
        {
          "word": "comme cul et chemise"
        }
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kɔ.pɛ̃ kɔm kɔ.ʃɔ̃/"
    }
  ],
  "word": "copains comme cochons"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "friends like pigs"
      },
      "expansion": "“friends like pigs”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "friends like pigs"
      },
      "expansion": "Literally, “friends like pigs”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “friends like pigs”. The expression cochon in this expression is possibly not linked to the actual animal, as it is the basis of many negative expressions in French, and not normally considered a social animal. It has been proposed that older words like soçon (“friend”) (or a variation such as the 19th century Parisian chochon) or cosson (“merchant”) might have been altered into a more common word when they fell out of use.",
  "head_templates": [
    {
      "args": {
        "1": "mf",
        "head": "copains comme cochons",
        "onlyg": "p"
      },
      "expansion": "copains comme cochons (plural only)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "related": [
    {
      "word": "comme larrons en foire"
    },
    {
      "word": "comme cul et chemise"
    }
  ],
  "senses": [
    {
      "categories": [
        "French adjectives",
        "French defective adjectives",
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French pluralia tantum",
        "French similes",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "thick as thieves"
      ],
      "links": [
        [
          "thick as thieves",
          "thick as thieves"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) thick as thieves"
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kɔ.pɛ̃ kɔm kɔ.ʃɔ̃/"
    }
  ],
  "word": "copains comme cochons"
}