Parking-lot parties vs. following someone through a door.
Which meaning of Tailgating is the original, and which one is the duplicate riding on its name? Tailgating (party or driving) came first (the 1900s). Tailgating (physical security) arrived in the 1990s. The data below shows which one owns the word now.
Wikipedia pageviews since 2015
Tailgating (party or driving)Tailgating (physical security)
English Wikipedia pageviews since July 2015 load here.
Duplicate's share of attention
Green line = duplicate's % · above 60 it owns the word · below 40 the original does
The case for each meaning
Sourced definitions, usage stats and quotes
Original · the 1900s
Tailgating (party or driving)
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Duplicate · the 1990s
Tailgating (physical security)
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More duplicated terms
Cybersecurity
Virus · Computer virusWorm · Computer wormTrojan · Trojan horse (malware)Hash · Hash functionKey · Key (cryptography)Salt · Salt (cryptography)Phish · PhishingZombie · Zombie (computing)Harvest · Email harvestingInject · Code injectionPayload · Payload (computing)Realm · Realm (security)Certificate · Public key certificateSpoof · Spoofing attackSniff · Packet sniffingExploit · Exploit (security)Shield · DDoS protectionBounty · Bug bounty