Because your belly button is sensitive.
if she is usually more shy toward you or twirls her hair with her finger or plays with her fingers and moves around a lot
When a woman twirls her hair around her index finger while talking to you, it can indicate that she is feeling flirty or playful. This gesture may suggest that she is comfortable in your presence and is subconsciously seeking attention. However, it's essential to consider the context and her overall body language, as it could also be a sign of nervousness or a habit rather than a clear signal of attraction.
once
80
there proably nervous
She twirls in her dress.
Cake Boss - 2009 Trash Twirls and Tough Love was released on: USA: 28 May 2012
it means that you go around in circles and you are crazy
Just a dress with fire on the bottom when she twirls.
sussy daddy
Cake Boss - 2009 Twirls Whirls and Crashes 5-24 was released on: USA: 7 January 2013
if she is mean to you or if she either twirls her hair or smiles real smug