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when a man ejaculates onto the breasts of a female sex partner
When he knew he was about to cum he pointed his dick right at her huge tits. They both knew a chestnut was imminent.
by Marchel March 19, 2013
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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When a guy puts his balls in between a girls chest, while she massages it. Hence the name CHEST...NUT
Duuuudddee her tits are so big, she's gunna give me a chestnut
by glopmon123 May 30, 2011
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Essentially a word used to describe testicles located on the chest (not related to Chesticles ).

Can also be used to describe a picture of boobs that have no visible nipple.
"man have you seen that kid walking around? they got some huge chestnuts"
"that anime girl has some nice chestnuts"
by pleasedonthurtmeimpoor July 06, 2018
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a boobjob, where a man's nuts meets a woman's chest
Dude, katie and andy just chestnutted last night.
by AznUrban March 26, 2010
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The most legendary man in the history of the world.

BM: Man, did you see Chestnut down that extra large steeped tea?

BB: Yeah, Chestnut is such a legend
by Chestor_Is_A_Legend May 04, 2008
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