"slick back" meaning in English

{
  "forms": [
    {
      "form": "slicks back",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "slicking back",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "slicked back",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "slicked back",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "slick back (third-person singular simple present slicks back, present participle slicking back, simple past and past participle slicked back)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs formed with \"back\"",
          "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": "en",
          "name": "Hair",
          "orig": "en:Hair",
          "parents": [
            "Body parts",
            "Body",
            "Anatomy",
            "All topics",
            "Biology",
            "Medicine",
            "Fundamental",
            "Sciences",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "His hair was slicked back with gel.",
          "type": "example"
        },
        {
          "ref": "1984, “The Boys of Summer”, in Don Henley (lyrics), Building the Perfect Beast:",
          "text": "I can see you / Your brown skin shining in the sun / You got your hair slicked back and those Wayfarers on, baby",
          "type": "quote"
        }
      ],
      "glosses": [
        "To make hair flat by putting oil, water, etc. on it."
      ],
      "id": "en-slick_back-en-verb-UbRbNsTn",
      "links": [
        [
          "hair",
          "hair"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "oil",
          "oil"
        ]
      ],
      "related": [
        {
          "word": "slick down"
        }
      ]
    }
  ],
  "word": "slick back"
}

{
  "forms": [
    {
      "form": "slicks back",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "slicking back",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "slicked back",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "slicked back",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "slick back (third-person singular simple present slicks back, present participle slicking back, simple past and past participle slicked back)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "slick down"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs formed with \"back\"",
        "English terms with quotations",
        "English terms with usage examples",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Hair"
      ],
      "examples": [
        {
          "text": "His hair was slicked back with gel.",
          "type": "example"
        },
        {
          "ref": "1984, “The Boys of Summer”, in Don Henley (lyrics), Building the Perfect Beast:",
          "text": "I can see you / Your brown skin shining in the sun / You got your hair slicked back and those Wayfarers on, baby",
          "type": "quote"
        }
      ],
      "glosses": [
        "To make hair flat by putting oil, water, etc. on it."
      ],
      "links": [
        [
          "hair",
          "hair"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "oil",
          "oil"
        ]
      ]
    }
  ],
  "word": "slick back"
}