"pétasson" meaning in Français

{
  "anagrams": [
    {
      "word": "pensotas"
    },
    {
      "word": "pontasse"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Avec substitution de suffixes,composé de pétard (« derrière »), -asse et -on → voir pétasse."
  ],
  "forms": [
    {
      "form": "pétassons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes argotiques en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              46,
              55
            ]
          ],
          "ref": "Blaise Cendrars, L’Homme foudroyé, 1945",
          "text": "Des lourdes maritornes, avec des ventres, des pétassons et des nichons."
        }
      ],
      "glosses": [
        "Derrière."
      ],
      "id": "fr-pétasson-fr-noun-Cbdb0qjk",
      "tags": [
        "slang"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "pétasson"
}

{
  "anagrams": [
    {
      "word": "pensotas"
    },
    {
      "word": "pontasse"
    }
  ],
  "categories": [
    "Compositions en français",
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "etymology_texts": [
    "Avec substitution de suffixes,composé de pétard (« derrière »), -asse et -on → voir pétasse."
  ],
  "forms": [
    {
      "form": "pétassons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Termes argotiques en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              46,
              55
            ]
          ],
          "ref": "Blaise Cendrars, L’Homme foudroyé, 1945",
          "text": "Des lourdes maritornes, avec des ventres, des pétassons et des nichons."
        }
      ],
      "glosses": [
        "Derrière."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "pétasson"
}