"nosh-up" meaning in English

{
  "forms": [
    {
      "form": "nosh-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nosh-up (plural nosh-ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Eating",
          "orig": "en:Eating",
          "parents": [
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A feast; a hearty meal."
      ],
      "id": "en-nosh-up-en-noun-DPc3AjWK",
      "links": [
        [
          "feast",
          "feast"
        ],
        [
          "hearty",
          "hearty"
        ],
        [
          "meal",
          "meal"
        ]
      ],
      "raw_glosses": [
        "(slang) A feast; a hearty meal."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "nosh-up"
}

{
  "forms": [
    {
      "form": "nosh-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nosh-up (plural nosh-ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "en:Eating"
      ],
      "glosses": [
        "A feast; a hearty meal."
      ],
      "links": [
        [
          "feast",
          "feast"
        ],
        [
          "hearty",
          "hearty"
        ],
        [
          "meal",
          "meal"
        ]
      ],
      "raw_glosses": [
        "(slang) A feast; a hearty meal."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "nosh-up"
}