"laisser pisser" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "laisser pisser",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To let it go; let something slide."
      ],
      "id": "en-laisser_pisser-fr-verb-sctHpNju",
      "links": [
        [
          "let it go",
          "let go"
        ],
        [
          "let something slide",
          "let slide"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, informal) To let it go; let something slide."
      ],
      "tags": [
        "idiomatic",
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/lɛ.se pi.se/"
    },
    {
      "ipa": "/le.se pi.se/"
    }
  ],
  "word": "laisser pisser"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "laisser pisser",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French idioms",
        "French informal terms",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French verbs"
      ],
      "glosses": [
        "To let it go; let something slide."
      ],
      "links": [
        [
          "let it go",
          "let go"
        ],
        [
          "let something slide",
          "let slide"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, informal) To let it go; let something slide."
      ],
      "tags": [
        "idiomatic",
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/lɛ.se pi.se/"
    },
    {
      "ipa": "/le.se pi.se/"
    }
  ],
  "word": "laisser pisser"
}