What is what does it mean when a girl snaps her full face?

When a girl "snaps her full face," it generally means she is sending you a photo of her entire face on Snapchat. There's not necessarily any complex meaning behind it, but it often indicates a few things:

• She wants your attention/recognition: Sending a photo of her face is a direct way to engage with you and seek a reaction.
• She might be feeling confident: Sharing her appearance can be a sign of confidence and wanting to show herself off.
• She's trying to start or continue a conversation: It can be an opening to ask you a question about your day, or to respond to something you were previously discussing.
• She's comfortable with you: Sending a personal photo suggests a level of trust and comfort in sharing her image with you.
• It's usually a sign of flirting or a sign of wanting to make a connection.

The specific meaning depends heavily on your existing relationship with the girl and the context of your conversations. Consider the frequency of these snaps, the time of day, and any accompanying text or emojis to better understand her intentions. If she likes compliments, you can try giving her one.