"like kicking dead whales down the beach" meaning in English

{
  "etymology_text": "Originating in computer programming jargon.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "like kicking dead whales down the beach",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "like kicking dead whales down the beach",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "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 similes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1993 September 16, Joshua W. Burton, “OD has no more alternates for remap -- should I worry?”, in comp.sys.next.hardware (Usenet):",
          "text": "I have a full backup, but restoring 213 MB of data from one oppy to another with a single drive, even using dd and big packets, is going to be like kicking dead whales down the beach. Is there an easier way?",
          "type": "quote"
        },
        {
          "ref": "1998 April, Mark Fabi, “Wall Street Walpurgisnacht” (chapter 3), in Wyrm, New York, N.Y.: Bantam Books, →ISBN, page 65:",
          "text": "“How’s it going?” I asked. ¶ “Swimmingly, man. Like kicking dead whales down the beach.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Very slow and difficult."
      ],
      "id": "en-like_kicking_dead_whales_down_the_beach-en-prep_phrase-Ebi0veF9",
      "links": [
        [
          "task",
          "task"
        ],
        [
          "process",
          "process"
        ],
        [
          "slow",
          "slow"
        ],
        [
          "difficult",
          "difficult"
        ]
      ],
      "qualifier": "simile; process; simile; process",
      "raw_glosses": [
        "(simile, slang, of a task, process, etc.) Very slow and difficult."
      ],
      "raw_tags": [
        "of a task"
      ],
      "synonyms": [
        {
          "word": "like kicking a dead whale down the beach"
        }
      ],
      "tags": [
        "slang",
        "usually"
      ]
    }
  ],
  "word": "like kicking dead whales down the beach"
}

{
  "etymology_text": "Originating in computer programming jargon.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "like kicking dead whales down the beach",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "like kicking dead whales down the beach",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "English similes",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1993 September 16, Joshua W. Burton, “OD has no more alternates for remap -- should I worry?”, in comp.sys.next.hardware (Usenet):",
          "text": "I have a full backup, but restoring 213 MB of data from one oppy to another with a single drive, even using dd and big packets, is going to be like kicking dead whales down the beach. Is there an easier way?",
          "type": "quote"
        },
        {
          "ref": "1998 April, Mark Fabi, “Wall Street Walpurgisnacht” (chapter 3), in Wyrm, New York, N.Y.: Bantam Books, →ISBN, page 65:",
          "text": "“How’s it going?” I asked. ¶ “Swimmingly, man. Like kicking dead whales down the beach.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Very slow and difficult."
      ],
      "links": [
        [
          "task",
          "task"
        ],
        [
          "process",
          "process"
        ],
        [
          "slow",
          "slow"
        ],
        [
          "difficult",
          "difficult"
        ]
      ],
      "qualifier": "simile; process; simile; process",
      "raw_glosses": [
        "(simile, slang, of a task, process, etc.) Very slow and difficult."
      ],
      "raw_tags": [
        "of a task"
      ],
      "tags": [
        "slang",
        "usually"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "like kicking a dead whale down the beach"
    }
  ],
  "word": "like kicking dead whales down the beach"
}