If a girl you barely know sends you pictures in a bikini, what do you say?

martyfellow
I'm not interested in starting anything! but I don't want to be rude.
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+1 y
What I did was to write back and tell her she was overdressed, thought she would think that was funny. This was months ago, haven't heard a word from her since...guess she didn't think it was that funny.
If a girl you barely know sends you pictures in a bikini, what do you say?
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