1 definition by J. M. E.

Basically a pearl necklace, or the act of a man ejaculating on a woman (or I suppose a man's) chest and neck. It derives from the term nut refering to the act of ejaculation and the location of the chest, thus: chestnut.
Hey honey, if you won't give me a blowjob, can I give you a chestnut?
by J. M. E. January 29, 2006
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