"push shit uphill" meaning in English

{
  "forms": [
    {
      "form": "pushes shit uphill",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "pushing shit uphill",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "pushed shit uphill",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "pushed shit uphill",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "push shit uphill (third-person singular simple present pushes shit uphill, present participle pushing shit uphill, simple past and past participle pushed shit uphill)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Tamra Mercieca, Getting Naked: The Dating Game, page 161",
          "text": "'Well, the makers had to push shit uphill to get it approved for consumption. Apparently the FDA knocked it back eight times because one of its ingredients converts to formaldehyde in the body,' I explained.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Attempting to do something with great difficulty generally with little chance of success."
      ],
      "id": "en-push_shit_uphill-en-verb-N0QM~zeV",
      "links": [
        [
          "difficulty",
          "difficulty"
        ]
      ],
      "raw_glosses": [
        "(Australia, slang, vulgar) Attempting to do something with great difficulty generally with little chance of success."
      ],
      "tags": [
        "Australia",
        "slang",
        "vulgar"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-push shit uphill.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/91/En-au-push_shit_uphill.ogg/En-au-push_shit_uphill.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/91/En-au-push_shit_uphill.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "push shit uphill"
}

{
  "forms": [
    {
      "form": "pushes shit uphill",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "pushing shit uphill",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "pushed shit uphill",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "pushed shit uphill",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "push shit uphill (third-person singular simple present pushes shit uphill, present participle pushing shit uphill, simple past and past participle pushed shit uphill)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "English terms with audio links",
        "English terms with quotations",
        "English verbs",
        "English vulgarities",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2012, Tamra Mercieca, Getting Naked: The Dating Game, page 161",
          "text": "'Well, the makers had to push shit uphill to get it approved for consumption. Apparently the FDA knocked it back eight times because one of its ingredients converts to formaldehyde in the body,' I explained.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Attempting to do something with great difficulty generally with little chance of success."
      ],
      "links": [
        [
          "difficulty",
          "difficulty"
        ]
      ],
      "raw_glosses": [
        "(Australia, slang, vulgar) Attempting to do something with great difficulty generally with little chance of success."
      ],
      "tags": [
        "Australia",
        "slang",
        "vulgar"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-push shit uphill.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/91/En-au-push_shit_uphill.ogg/En-au-push_shit_uphill.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/91/En-au-push_shit_uphill.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "push shit uphill"
}