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Re: When A Girl Bites Her Lower Lips What Does That Mean? by Nobody: 11:28am On Nov 29, 2012. pweeryambre: She is sexually attracted to u and wants u to know dat... So dat is a sign. Next time she does it, just gently poke out ur lips and kiss her on the air and u will see wat happens..
Quick Answer. A bump inside the upper lip could indicate a canker sore or a cyst, also known as mucocele, has developed. A mucocele develops on a small salivary gland and forms a white bump on the inside of the lips that is typically painless, according to WebMD. Continue Reading.