"on the sniff" meaning in English

{
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      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on the sniff",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on the sniff",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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      "examples": [
        {
          "ref": "2011, Autumn Stephens, Roar Softly and Carry a Great Lipstick, page 56",
          "text": "But the fact that online “dating” was a euphemism for ACTION, the same way as walking into a bar is a sign that you're out on the sniff, suited me just fine.",
          "type": "quotation"
        },
        {
          "ref": "2012, Mark Billingham, Rush of Blood",
          "text": "Ed stayed leaning in and after signalling to the others to do the same, he inclined his head towards the girls at the adjacent table. 'West End's heaving with that sort on a Saturday night,' he said. 'Office girls out on the sniff.'",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In search of a sex partner."
      ],
      "id": "en-on_the_sniff-en-prep_phrase-k3eUFlEa",
      "links": [
        [
          "sex",
          "sex"
        ],
        [
          "partner",
          "partner"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, vulgar) In search of a sex partner."
      ],
      "tags": [
        "UK",
        "slang",
        "vulgar"
      ]
    }
  ],
  "word": "on the sniff"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on the sniff",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on the sniff",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
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        "British English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "English slang",
        "English terms with quotations",
        "English vulgarities",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2011, Autumn Stephens, Roar Softly and Carry a Great Lipstick, page 56",
          "text": "But the fact that online “dating” was a euphemism for ACTION, the same way as walking into a bar is a sign that you're out on the sniff, suited me just fine.",
          "type": "quotation"
        },
        {
          "ref": "2012, Mark Billingham, Rush of Blood",
          "text": "Ed stayed leaning in and after signalling to the others to do the same, he inclined his head towards the girls at the adjacent table. 'West End's heaving with that sort on a Saturday night,' he said. 'Office girls out on the sniff.'",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In search of a sex partner."
      ],
      "links": [
        [
          "sex",
          "sex"
        ],
        [
          "partner",
          "partner"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, vulgar) In search of a sex partner."
      ],
      "tags": [
        "UK",
        "slang",
        "vulgar"
      ]
    }
  ],
  "word": "on the sniff"
}