What is Silicone Valley?
1.
the area between two breast implants.
Look at that chick's ugly tattoo in her silicone valley!
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2.
Cleavage canyon, the area on the chest between the tits.
"That's a boob job, just look at the silicone valley."
3.
a girl who had a major and obvious boob job.
OMG Angela is so fake! Look at her new silicone valley!
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