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That area on the penis where the head and the shaft meet, the circumference of which forms the most sensitive area of the penis and upon which the term "giving head" was born. This is a Latin term originally used on Ivy League college campuses, but which has become more common among a broad swath of men who enjoy using Latin to impress their friends.
Mike was enjoying a little corona radialis when Becca's mom called, causing him to lose his manliness. He couldn't get the visual of his future mother-in-law out of his head.
by Latiner August 07, 2018
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