"zap 'em up" meaning in English

{
  "forms": [
    {
      "form": "zap 'em ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zap 'em up (plural zap 'em ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Video game genres",
          "orig": "en:Video game genres",
          "parents": [
            "Genres",
            "Video games",
            "Entertainment",
            "Games",
            "Mass media",
            "Software",
            "Culture",
            "Recreation",
            "Media",
            "Computing",
            "Society",
            "Human activity",
            "Communication",
            "Technology",
            "All topics",
            "Human behaviour",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1986, Luke C, Battle Of The Planets (video game review) in Your Sinclair issue 3",
          "text": "This is not your average 'zap 'em up' game. The alien craft all have different characteristics, and judging a spaceship's speed as you home in for the kill is something you'll get the hang of only after much experience."
        },
        {
          "ref": "1994, Night Club & Bar, volume 10, page 388",
          "text": "Conversation and camaraderie at the foosball table won out over solo, zap-em-up video games in 1994, according to industry experts.",
          "type": "quotation"
        },
        {
          "ref": "2003, Andrea Stephens, Stuff a Girl’s Gotta Know: Little Hints for Big Things in A Teen's Life",
          "text": "You can totally be yourself without worrying if your guy is impressed or embarrassed! You don't have to sit through rough war flicks, or shoot 'em up or zap 'em up movies.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A shoot 'em up involving energy weapons."
      ],
      "id": "en-zap_'em_up-en-noun-p6v9sCAz",
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "shoot 'em up",
          "shoot 'em up"
        ],
        [
          "energy weapon",
          "energy weapon"
        ]
      ],
      "raw_glosses": [
        "(informal, video games) A shoot 'em up involving energy weapons."
      ],
      "tags": [
        "informal"
      ],
      "topics": [
        "video-games"
      ]
    }
  ],
  "word": "zap 'em up"
}

{
  "forms": [
    {
      "form": "zap 'em ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zap 'em up (plural zap 'em ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Video game genres"
      ],
      "examples": [
        {
          "ref": "1986, Luke C, Battle Of The Planets (video game review) in Your Sinclair issue 3",
          "text": "This is not your average 'zap 'em up' game. The alien craft all have different characteristics, and judging a spaceship's speed as you home in for the kill is something you'll get the hang of only after much experience."
        },
        {
          "ref": "1994, Night Club & Bar, volume 10, page 388",
          "text": "Conversation and camaraderie at the foosball table won out over solo, zap-em-up video games in 1994, according to industry experts.",
          "type": "quotation"
        },
        {
          "ref": "2003, Andrea Stephens, Stuff a Girl’s Gotta Know: Little Hints for Big Things in A Teen's Life",
          "text": "You can totally be yourself without worrying if your guy is impressed or embarrassed! You don't have to sit through rough war flicks, or shoot 'em up or zap 'em up movies.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A shoot 'em up involving energy weapons."
      ],
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "shoot 'em up",
          "shoot 'em up"
        ],
        [
          "energy weapon",
          "energy weapon"
        ]
      ],
      "raw_glosses": [
        "(informal, video games) A shoot 'em up involving energy weapons."
      ],
      "tags": [
        "informal"
      ],
      "topics": [
        "video-games"
      ]
    }
  ],
  "word": "zap 'em up"
}