a boobjob, where a man's nuts meets a woman's chest
Dude, katie and andy just chestnutted last night.
1. A person who behaves like a douchebag.
2. Name for a person who does something that is considered taboo in social groups.
1. Stop being such a chestnut and come play with us.
2. Liam, stop sending us selfies of you without a shirt, you are such a chestnut.
To punch somebody for little to no reason
"So we were at this bar having a good time, when out of nowhere Zach just chestnuts a complete stranger, and we got thrown out.
When a man ejaculates on a woman’s breasts and the woman proceeds to lick the seman off her breasts and swallows it.
Ayo is it okay if I give you a chestnut to spice things up Abby?
When a guy pulls out to blow on a girl's chest, then proceeds to dive forward and smear it across her chest in a Slip and Slide motion.
- After I pulled out I gave her a Chestnut.
-Damn dude, did you slide off the bed?
when you lay down on your back, jerk off, and jizz on to your chest.
Hey baby I just chestnutted, I almost lost control and wallnutted.
To bust a nut on a male or female's chestal region.
Cait didn't even see it coming, but for her birthday, I gave her a huge chestnut.