"F-sider" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "w:F-side",
        "3": "-er",
        "id2": "agent noun"
      },
      "expansion": "F-side + -er",
      "name": "af"
    }
  ],
  "etymology_text": "From F-side + -er. The F-side is a term referring to the hard core of supporters (ultras) supporting the soccer club AFC Ajax from Amsterdam; it is named after the stand labelled F in the Ajax stadium, where these supporters traditionally gather during matches.",
  "forms": [
    {
      "form": "F-siders",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "F-sidertje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-s",
        "3": "+"
      },
      "expansion": "F-sider m (plural F-siders, diminutive F-sidertje n)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Dutch links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Dutch links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Dutch terms suffixed with -er (agent noun)",
          "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": "nl",
          "name": "Football (soccer)",
          "orig": "nl:Football (soccer)",
          "parents": [
            "Football",
            "Ball games",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an ultra (soccer fanatic) supporting the Dutch club AFC Ajax"
      ],
      "id": "en-F-sider-nl-noun-Qjq0KR12",
      "links": [
        [
          "soccer",
          "soccer"
        ],
        [
          "ultra",
          "ultra"
        ],
        [
          "fanatic",
          "fanatic"
        ],
        [
          "Dutch",
          "Dutch"
        ],
        [
          "club",
          "club"
        ]
      ],
      "raw_glosses": [
        "(soccer) an ultra (soccer fanatic) supporting the Dutch club AFC Ajax"
      ],
      "synonyms": [
        {
          "word": "F-Sider"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "soccer",
        "sports"
      ],
      "wikipedia": [
        "AFC Ajax",
        "PSV Eindhoven"
      ]
    }
  ],
  "word": "F-sider"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "w:F-side",
        "3": "-er",
        "id2": "agent noun"
      },
      "expansion": "F-side + -er",
      "name": "af"
    }
  ],
  "etymology_text": "From F-side + -er. The F-side is a term referring to the hard core of supporters (ultras) supporting the soccer club AFC Ajax from Amsterdam; it is named after the stand labelled F in the Ajax stadium, where these supporters traditionally gather during matches.",
  "forms": [
    {
      "form": "F-siders",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "F-sidertje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-s",
        "3": "+"
      },
      "expansion": "F-sider m (plural F-siders, diminutive F-sidertje n)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch links with redundant alt parameters",
        "Dutch links with redundant wikilinks",
        "Dutch masculine nouns",
        "Dutch multiword terms",
        "Dutch nouns",
        "Dutch nouns with plural in -s",
        "Dutch terms suffixed with -er (agent noun)",
        "Pages with 1 entry",
        "Pages with entries",
        "nl:Football (soccer)"
      ],
      "glosses": [
        "an ultra (soccer fanatic) supporting the Dutch club AFC Ajax"
      ],
      "links": [
        [
          "soccer",
          "soccer"
        ],
        [
          "ultra",
          "ultra"
        ],
        [
          "fanatic",
          "fanatic"
        ],
        [
          "Dutch",
          "Dutch"
        ],
        [
          "club",
          "club"
        ]
      ],
      "raw_glosses": [
        "(soccer) an ultra (soccer fanatic) supporting the Dutch club AFC Ajax"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "soccer",
        "sports"
      ],
      "wikipedia": [
        "AFC Ajax",
        "PSV Eindhoven"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "F-Sider"
    }
  ],
  "word": "F-sider"
}