Top Definition
The condition present after screwing a grandmother. Symptoms include smell of mold, cobwebs, maggots and/or spiders, perhaps even old trash such as condom wrappers caught in the cock-must related debris. Can also be contracted from intercourse with attics, corpses, or antiques.
After a week at grandmama's, I was diagnosed with a serious case of cock-must.
by Mike Sater September 15, 2006
5 Words related to cock-must

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