"roll tide" meaning in English

{
  "etymology_text": "From the University of Alabama's fight song Yea Alabama, which ends in the words “Go, roll to victory, Hit your stride, You're Dixie's football pride, Crimson Tide! [Roll Tide, Roll Tide!]”.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "roll tide",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "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": "College sports",
          "orig": "en:College sports",
          "parents": [
            "Sports",
            "Universities",
            "Human activity",
            "Schools",
            "Human behaviour",
            "Buildings",
            "Education",
            "Human",
            "Buildings and structures",
            "Society",
            "All topics",
            "Architecture",
            "Fundamental",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An all-purpose term of enthusiasm in support of the University of Alabama football team."
      ],
      "id": "en-roll_tide-en-phrase-iygYsbxp",
      "links": [
        [
          "University of Alabama",
          "w:University of Alabama"
        ],
        [
          "football",
          "football#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɹoʊl taɪd/"
    }
  ],
  "word": "roll tide"
}

{
  "etymology_text": "From the University of Alabama's fight song Yea Alabama, which ends in the words “Go, roll to victory, Hit your stride, You're Dixie's football pride, Crimson Tide! [Roll Tide, Roll Tide!]”.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "roll tide",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with IPA pronunciation",
        "en:College sports"
      ],
      "glosses": [
        "An all-purpose term of enthusiasm in support of the University of Alabama football team."
      ],
      "links": [
        [
          "University of Alabama",
          "w:University of Alabama"
        ],
        [
          "football",
          "football#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɹoʊl taɪd/"
    }
  ],
  "word": "roll tide"
}