The "thumbs" portion of your query may be a separate reference, perhaps to the or the Vault Boy character from the Fallout series.

: How marginalized groups use specific gestures or reclaimed terms to assert their existence.

For more specific information on the cultural history of this community, resources like Wikipedia's entry on Kathoey or Them's exploration of gender terms provide extensive context.

: Many essays focus on why this community is more visible in Thailand than in other regions. This is often attributed to Buddhist beliefs in karma and non-judgment, which can lead to a culture where gender differences are seen as a natural part of the human experience.

If you are writing an essay that combines these ideas, you might be exploring: