"Give me a chestnut" means "give me an example". "Chestnut" is a harmonic word for "example", and many people write it on purpose for various purposes, such as being cute, pretending to be cute, and being eye-catching. A lot of netizens in the network chat will often be accompanied by a "chestnut" picture to increase the chat interesting.

Reason

The shell of a chestnut has burrs. If you don't understand what I'm saying, then I'll use the shell of a chestnut to help you deepen your understanding. That is to say, to put things thoroughly, you have to peel to clarify the problem, because the chestnut has a shell, and dates and peaches do not need to peel, so use the chestnut to do the metaphor.