Reference to the pubic area of a middle aged woman, as encountered by younger male. Almost synonymous with cougar.
The young weary traveler sitting at a hotel bar near the end of the night, with no young tail in sight, threw in the towel and decided to smash some grey bush.
by Comm4nd3r March 24, 2011
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Typically a "cougar" aged female that has a large patch of unkept grey pubic hairs.
Time to wax the ol'granny grey bush.
by robyn ya'blind December 25, 2011
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