In short, a "t girl thumb" is less about a biological trait and more about a . It represents a blend of digital-age posing, community belonging, and the personal journey of feminine expression.
Using the term or the gesture can act as a "soft launch" or a subtle way for individuals to identify themselves as part of the trans community to those "in the know" without being explicitly overt. t girl thumb
Much of the usage is "in-group" humor. Trans women use these terms to build community and share common experiences regarding transition and presentation. In short, a "t girl thumb" is less