"bob up" meaning in English

{
  "forms": [
    {
      "form": "bobs up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bobbing up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bobbed up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bobbed up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bob up (third-person singular simple present bobs up, present participle bobbing up, simple past and past participle bobbed up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "65 35",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "English phrasal verbs formed with \"up\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "78 22",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2011, Curt Iles, A Spent Bullet: Louisiana 1941, page 125:",
          "text": "He bobbed up and flailed toward the near bank. The weight of his boots and soaked uniform kept pulling him under.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To rise to the surface; to ascend to the surface and remain floating there."
      ],
      "id": "en-bob_up-en-verb-Ax4fkgvq",
      "links": [
        [
          "rise",
          "rise"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "ascend",
          "ascend"
        ],
        [
          "remain",
          "remain"
        ],
        [
          "floating",
          "floating"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To rise to the surface; to ascend to the surface and remain floating there."
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "That's when he bobbed up again and ruined everything.",
          "type": "example"
        }
      ],
      "glosses": [
        "To appear or arrive unexpectedly."
      ],
      "id": "en-bob_up-en-verb-aNh9gJAQ",
      "raw_glosses": [
        "(intransitive, by extension, figurative) To appear or arrive unexpectedly."
      ],
      "tags": [
        "broadly",
        "figuratively",
        "intransitive"
      ]
    }
  ],
  "word": "bob up"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"up\"",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "bobs up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bobbing up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bobbed up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bobbed up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bob up (third-person singular simple present bobs up, present participle bobbing up, simple past and past participle bobbed up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English intransitive verbs",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2011, Curt Iles, A Spent Bullet: Louisiana 1941, page 125:",
          "text": "He bobbed up and flailed toward the near bank. The weight of his boots and soaked uniform kept pulling him under.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To rise to the surface; to ascend to the surface and remain floating there."
      ],
      "links": [
        [
          "rise",
          "rise"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "ascend",
          "ascend"
        ],
        [
          "remain",
          "remain"
        ],
        [
          "floating",
          "floating"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To rise to the surface; to ascend to the surface and remain floating there."
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [
        "English intransitive verbs",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "That's when he bobbed up again and ruined everything.",
          "type": "example"
        }
      ],
      "glosses": [
        "To appear or arrive unexpectedly."
      ],
      "raw_glosses": [
        "(intransitive, by extension, figurative) To appear or arrive unexpectedly."
      ],
      "tags": [
        "broadly",
        "figuratively",
        "intransitive"
      ]
    }
  ],
  "word": "bob up"
}