"flash back" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flashback"
      },
      "expansion": "flashback",
      "name": "m"
    }
  ],
  "etymology_text": "From the noun flashback.",
  "forms": [
    {
      "form": "flashes back",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "flashing back",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "flashed back",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "flashed back",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "flash back (third-person singular simple present flashes back, present participle flashing back, simple past and past participle flashed back)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs with particle (back)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Memory",
          "orig": "en:Memory",
          "parents": [
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To recall or remember something; to experience a flashback."
      ],
      "id": "en-flash_back-en-verb-4K8D7FPw",
      "links": [
        [
          "recall",
          "recall"
        ],
        [
          "remember",
          "remember"
        ],
        [
          "flashback",
          "flashback"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To recall or remember something; to experience a flashback."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-flash back.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/En-au-flash_back.ogg/En-au-flash_back.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/4e/En-au-flash_back.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "flash back"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flashback"
      },
      "expansion": "flashback",
      "name": "m"
    }
  ],
  "etymology_text": "From the noun flashback.",
  "forms": [
    {
      "form": "flashes back",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "flashing back",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "flashed back",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "flashed back",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "flash back (third-person singular simple present flashes back, present participle flashing back, simple past and past participle flashed back)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (back)",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English verbs",
        "en:Memory"
      ],
      "glosses": [
        "To recall or remember something; to experience a flashback."
      ],
      "links": [
        [
          "recall",
          "recall"
        ],
        [
          "remember",
          "remember"
        ],
        [
          "flashback",
          "flashback"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To recall or remember something; to experience a flashback."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-flash back.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/En-au-flash_back.ogg/En-au-flash_back.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/4e/En-au-flash_back.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "flash back"
}