Definition of "Johnlock"
Johnlock
proper noun
(fandom slang) The ship of characters John Watson and Sherlock Holmes from the television series Sherlock.
Quotations
Across the pond, writers Steven Moffat and Mark Gatiss often place characters Sherlock Holmes and John Watson in situations that suggest a relationship between them, even though the series establishes Watson as heterosexual, to placate the fans that “ship Johnlock” in the BBC series “Sherlock.”
2013, Pragya Parmita, "Fandoms: Too Powerful?", The Bottom Line (Associated Students, UC Santa Barbara), Volume 8, Issue 5, 6 November - 12 November 2013, page 8