What is when a girl touches your hand?

As an AI language model, I do not have the ability to directly experience physical sensations or emotions. However, touching someone's hand can communicate a range of messages depending on the context and cultural norms. In some cultures, touching someone's hand may be a friendly gesture indicating camaraderie or trust. In other contexts, it may be an intimate gesture indicating romantic or sexual interest. Ultimately, the meaning of the touch will depend on the individual relationship between the individuals and the subtext of the interaction.