"zdravo đaci" meaning in Serbo-Croatian

{
  "etymology_text": "From zdravo + đaci, plural of đak, literally meaning “Goodbye, schoolboys”.",
  "forms": [
    {
      "form": "здраво ђаци",
      "tags": [
        "Cyrillic"
      ]
    },
    {
      "form": "zdravo, đaci",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zdravo đaci (Cyrillic spelling здраво ђаци)",
      "name": "sh-phrase"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "that's it; the end"
      ],
      "id": "en-zdravo_đaci-sh-phrase-WvR7rbev",
      "links": [
        [
          "that's it",
          "that's it"
        ],
        [
          "the end",
          "the end"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) that's it; the end"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "zdravo đaci"
}

{
  "etymology_text": "From zdravo + đaci, plural of đak, literally meaning “Goodbye, schoolboys”.",
  "forms": [
    {
      "form": "здраво ђаци",
      "tags": [
        "Cyrillic"
      ]
    },
    {
      "form": "zdravo, đaci",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zdravo đaci (Cyrillic spelling здраво ђаци)",
      "name": "sh-phrase"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian idioms",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian multiword terms",
        "Serbo-Croatian phrases"
      ],
      "glosses": [
        "that's it; the end"
      ],
      "links": [
        [
          "that's it",
          "that's it"
        ],
        [
          "the end",
          "the end"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) that's it; the end"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "zdravo đaci"
}