二百五 is two hundred and fifty. It also means stupid, fool, idiot.
One of the stories regarding the origin is: someone killed an Emperor’s favorite advisor. In order to find the murderer, the Emperor falsely announced that he was glad someone killed the advisor, and wanted to award the murderer with 1000 in gold. 4 people fell for the trap. 1000 divided by 4 is … 250.
Like 笨蛋, 二百五 is not very rough, and mostly used in banters.

(listen:) idiot 250
• 二: two. Pronunciation: èr (4)
• 百: hundred. Metaphorically it means a lot. Pronunciation: bǎi (3)
• 五: five. Pronunciation: wǔ (3)




