"Pac-Man effect" meaning in English

{
  "etymology_text": "From the arcade game Pac-Man (1980).",
  "head_templates": [
    {
      "args": {},
      "expansion": "Pac-Man effect",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "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 terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Flat earth",
          "orig": "en:Flat earth",
          "parents": [
            "Pseudoscience",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The belief that someone attempting to go over the edge of the flat Earth would teleport to the other side."
      ],
      "id": "en-Pac-Man_effect-en-name-mPAI82Cy",
      "links": [
        [
          "edge",
          "edge"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "teleport",
          "teleport"
        ]
      ],
      "wikipedia": [
        "Pac-Man"
      ]
    }
  ],
  "word": "Pac-Man effect"
}

{
  "etymology_text": "From the arcade game Pac-Man (1980).",
  "head_templates": [
    {
      "args": {},
      "expansion": "Pac-Man effect",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Flat earth"
      ],
      "glosses": [
        "The belief that someone attempting to go over the edge of the flat Earth would teleport to the other side."
      ],
      "links": [
        [
          "edge",
          "edge"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "teleport",
          "teleport"
        ]
      ],
      "wikipedia": [
        "Pac-Man"
      ]
    }
  ],
  "word": "Pac-Man effect"
}