Define Johnlock Meaning

The (dubiously official) portmanteau couple name for the slash couple of Sherlock Holmes and John Watson, most commonly used in the fandom surrounding the BBC miniseries modernized version of the consulting detective and his medical partner.

The gay ship between Sherlock Holmes and John Watson from BBC's show Sherlock. It's quite popular, and most people in the fandom ship it.

From the series of Sherlock BBC. Originally Sherlocked, which means to be obsessed/in love with Sherlock. Johnlock means you ship Johnlock (John and Sherlock) very hard.

when you fall in love with your mad flatmate and everyone thinks you're hitting that but you've been trying since day one

Johnlock is the father of all the gay ships. It's probably the first thing you ever shipped in your life. Johnlock is flawless.

The awesomesuace name given to the pairing of John and Sherlock. It can be argued whether the pair is canon or merely fandom, although many Sherlockians and fanfiction writers are convinced it is canon. However, despite many Sherlockians shipping this pair, there has been some controversy due to the fact that Sherlock is portrayed as asexual and many people want it to stay that way.

Official name for the gay romantic pairing of Sherlock Holmes and John Watson. Also known as Shwatsonlock.
Usually used in reference to the modern BBC series 'Sherlock': with Benedict Cumberbatch and Martin Freeman, or Guy Ritchie's Sherlock Holmes movies starring Robert Downey Jr and Jude Law.
Many loyal supporters believe that there is enough hinting and innuendos to prove the pairing as cannon.

It's from the Sherlock fandom, it it the shipping of John Watson and Sherlock Holmes.