Tunalock

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noun

A subgenre of Sherlock fan fiction and fanart portraying Sherlock Holmes as a tuna or tuna-headed reverse mermaid.

Scrabble 14

Meanings

nounTunalock (uncountable)

alternative tunalock

  1. uncountableSherlock fandom slangA subgenre of Sherlock fan fiction and fanart portraying Sherlock Holmes as a tuna or tuna-headed reverse mermaid.

    Perhaps the strangest AU is tunalock, with Sherlock as a fish wearing a scarf.

    2018, Jennifer Wojton, Lynnette Porter, Sherlock and Digital Fandom: The Meeting of Creativity, Community and Advocacy, page 36
    2 more examples

    (There is, for example, an enormous genre of fan-made visual art depicting Sherlock Holmes as an anthropomorphic tuna: collectively, Tunalock. It would confuse Sidney Paget, but I find it hilarious and rejoice in its existence.)

    2015, Zach Dundas, The Great Detective: The Amazing Rise and Immortal Life of Sherlock Holmes, page 255

    If the proponents of Tunalock (Holmes and Watson are fishes) or Farmlock (cows), the fans who post pictures of Martin Freeman on Tumblr and the devotees of crossover fanfic, want to claim the name of Sherlockians, they are welcome to it.

    2017, Christoper Redmond, About Being a Sherlockian: 60 Essays Celebrating the Sherlock Holmes Community, page 7

Origin

Cite this entry
APA

Tunalock. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Tunalock

MLA

“Tunalock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Tunalock. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Tunalock,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Tunalock.

Source: Tunalock on Wiktionary, CC BY-SA 4.0.