"grade grubber" meaning in English

{
  "forms": [
    {
      "form": "grade grubbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grade grubber (plural grade grubbers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "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"
        }
      ],
      "examples": [
        {
          "ref": "2016 March 5, Jay Mathews, “I was a grade grubber, but now I favor trends that down play grades”, in Washington Post:",
          "text": "I was also a grade grubber, not an uncommon affliction. During my first term of high school, I complained to my counselor that my Latin teacher had not given me the A that I fiercely believed I deserved.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A student who engages in grade grubbing; someone seeking to improve their grades by sucking up or by trying to negotiate for any additional marks."
      ],
      "id": "en-grade_grubber-en-noun-Tv~v4CaJ",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "student",
          "student"
        ],
        [
          "grade grubbing",
          "grade grubbing"
        ],
        [
          "sucking up",
          "suck up"
        ],
        [
          "negotiate",
          "negotiate"
        ],
        [
          "mark",
          "mark"
        ]
      ],
      "raw_glosses": [
        "(US, slang, derogatory) A student who engages in grade grubbing; someone seeking to improve their grades by sucking up or by trying to negotiate for any additional marks."
      ],
      "related": [
        {
          "word": "grade grubbing"
        }
      ],
      "tags": [
        "US",
        "derogatory",
        "slang"
      ]
    }
  ],
  "word": "grade grubber"
}

{
  "forms": [
    {
      "form": "grade grubbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grade grubber (plural grade grubbers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "grade grubbing"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English derogatory terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "2016 March 5, Jay Mathews, “I was a grade grubber, but now I favor trends that down play grades”, in Washington Post:",
          "text": "I was also a grade grubber, not an uncommon affliction. During my first term of high school, I complained to my counselor that my Latin teacher had not given me the A that I fiercely believed I deserved.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A student who engages in grade grubbing; someone seeking to improve their grades by sucking up or by trying to negotiate for any additional marks."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "student",
          "student"
        ],
        [
          "grade grubbing",
          "grade grubbing"
        ],
        [
          "sucking up",
          "suck up"
        ],
        [
          "negotiate",
          "negotiate"
        ],
        [
          "mark",
          "mark"
        ]
      ],
      "raw_glosses": [
        "(US, slang, derogatory) A student who engages in grade grubbing; someone seeking to improve their grades by sucking up or by trying to negotiate for any additional marks."
      ],
      "tags": [
        "US",
        "derogatory",
        "slang"
      ]
    }
  ],
  "word": "grade grubber"
}