So apparently an Internet radio hostess in Charlotte, North Carolina says she had a nasty run-in with Justin Bieber at her local gym on Tuesday. 

She says he was rude to her when she introduced herself and asked for a picture . . . then he and another guy made snide comments about her as she continued her workout.  He also spit into a bottle, which she accidentally drank out of after he left.

That is sooo nasty eww Justin Bieber clearly has a rude side when it comes to fans!!