There are two sources of this title:
1. In the 1980s, China sold 36 Dongfeng missiles to Saudi Arabia at a asking price of $3.5 billion, which was expected to be higher, but it was unexpected that Saudi Arabia finally made a deal. From then on, everyone called Saudi Arabia "the big dog family". Later, all local tyrants in the Middle East who were not poor in money were called "big dog family". There is more gold than money.
2. In the chapter of the cartoon "The Rabbits of that Year", the big dog sold two feet and told the military transaction between Saudi Arabia and China in a joking way, from which the big dog said it.
Extended data:
The series of cartoons "The Rabbit Story of that Year" created by domestic military fans "Flying Against the Light" has been serialized on the Internet for more than three years, showing some important military and diplomatic events at home and abroad before and after the founding of the People's Republic of China in the form of animal cartoons, adding a lot of interest to the original serious history. And the corresponding videos, books, toys have also been launched.
The main events described are: treaty of nanking, the Sino-Japanese War, the Russo-Japanese War, Eight-Nation Alliance, the Revolution of 1911, War of Resistance against Japanese Aggression, the Civil War, the Taiwan Strait confrontation, the War to Resist US Aggression and Aid Korea, the Great Leap Forward, the Sino-Indian War, China-Pakistan relations, the Vietnam War, two bombs and one satellite, the Sino-Soviet border conflict, the Cultural Revolution, Sino-US diplomacy, early Sino-US military cooperation, the China people and the China people's government. The self-defense counterattack against Vietnam, the Afghan war, Sino-Japanese relations, the disintegration of the Soviet Union, Sino-Russian trade, the Galaxy incident, the Gulf War, the Taiwan Strait crisis, the disintegration of Yugoslavia, the Kosovo war, the May 8th incident, the September 11th, August1192 Sino-US plane collision incident, the Liaoning, the Zhu Rihe exercise and the emergence of the J-20.
References:
Baidu Encyclopedia: What happened to that rabbit?