"pinch a loaf" meaning in English

{
  "etymology_text": "From a supposed resemblance of feces to a loaf of bread, pinched by the contracting anal sphincter.",
  "forms": [
    {
      "form": "pinches a loaf",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "pinching a loaf",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "pinched a loaf",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "pinched a loaf",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "pinch a loaf (third-person singular simple present pinches a loaf, present participle pinching a loaf, simple past and past participle pinched a loaf)",
      "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 euphemisms",
          "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": "Bodily functions",
          "orig": "en:Bodily functions",
          "parents": [
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Feces",
          "orig": "en:Feces",
          "parents": [
            "Body",
            "Toilet (room)",
            "All topics",
            "Hygiene",
            "Rooms",
            "Fundamental",
            "Health",
            "Buildings and structures",
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To defecate."
      ],
      "id": "en-pinch_a_loaf-en-verb-U4VrBKOp",
      "links": [
        [
          "defecate",
          "defecate"
        ]
      ],
      "raw_glosses": [
        "(euphemistic) To defecate."
      ],
      "synonyms": [
        {
          "word": "pinch one off"
        },
        {
          "word": "drop a load"
        },
        {
          "word": "defecate"
        }
      ],
      "tags": [
        "euphemistic"
      ]
    }
  ],
  "word": "pinch a loaf"
}

{
  "etymology_text": "From a supposed resemblance of feces to a loaf of bread, pinched by the contracting anal sphincter.",
  "forms": [
    {
      "form": "pinches a loaf",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "pinching a loaf",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "pinched a loaf",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "pinched a loaf",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "pinch a loaf (third-person singular simple present pinches a loaf, present participle pinching a loaf, simple past and past participle pinched a loaf)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English euphemisms",
        "English lemmas",
        "English multiword terms",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Bodily functions",
        "en:Feces"
      ],
      "glosses": [
        "To defecate."
      ],
      "links": [
        [
          "defecate",
          "defecate"
        ]
      ],
      "raw_glosses": [
        "(euphemistic) To defecate."
      ],
      "synonyms": [
        {
          "word": "pinch one off"
        },
        {
          "word": "drop a load"
        },
        {
          "word": "defecate"
        }
      ],
      "tags": [
        "euphemistic"
      ]
    }
  ],
  "word": "pinch a loaf"
}