Why do girls bite their lips/ lick them?

[Anonymous]

I was talking to a girl and while i was talking she either was licking or biting her lower lip while looking at me. When i noticed, she would look away super fast. She did it like 3 times.
What does it mean?

[ashish804]

want u to take to private space and make her scream ur name

[Asker]

That is some kind of sexual gesture?

[ashish804]

yeahh.. it is... she is clearly indicating u to bite her lips and let her lips roll over ur dick