Intentional drying of the anus in order to make it bleed during anal sex.
Andy sure does love his greynus
by ManMachine May 16, 2004
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I took the drinks trolley along the pensioners ward and when I leaned over to give mrs Cauliflower her tea, she pumped a right musty old stinker out her greynus! That’ll teach me for calling her an “old cow”.
by Nuphagus December 7, 2019
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