"grub and bub" meaning in English

{
  "etymology_text": "Chosen for the rhyme. Note that bub ordinarily referred only to alcoholic drinks; in this phrase it is more general.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "grub and bub (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Food and drink",
          "orig": "en:Food and drink",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Food and drink of any kind."
      ],
      "id": "en-grub_and_bub-en-noun-1PsBzL~s",
      "links": [
        [
          "Food",
          "food"
        ],
        [
          "drink",
          "drink"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, archaic) Food and drink of any kind."
      ],
      "tags": [
        "UK",
        "archaic",
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "grub and bub"
}

{
  "etymology_text": "Chosen for the rhyme. Note that bub ordinarily referred only to alcoholic drinks; in this phrase it is more general.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "grub and bub (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English coordinated pairs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with archaic senses",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Food and drink"
      ],
      "glosses": [
        "Food and drink of any kind."
      ],
      "links": [
        [
          "Food",
          "food"
        ],
        [
          "drink",
          "drink"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, archaic) Food and drink of any kind."
      ],
      "tags": [
        "UK",
        "archaic",
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "grub and bub"
}