Dare, or..... Awwwww, David!!! She likes you! =D Thats creepy though... But still, most likely she likes you, ALOT =)) Can't blame her, but you are cute, but I have a boyfriend and I love him sooo much plus he is like REALLY sexy ;))
In my opinion she likes you and didn't know how to approach you and her friends told her to hug you to see what you'll do or say. next time you see her say hi and see if her smile turns out like the joker, from ear to ear. Its worth a shot.
This is late, but it depends on how often it happens. If it happens often, then she likes you, and her friends dare her to hug you. If she did it once, it was a dare. If its done every so often, its probably cause she likes you... I dont blame her, you are REALLY sexy ;) Hope this helped beautiful, even if it was late! Lmfao ~<3~ Shay