Homophonic afterlanguage refers to changing the phoneme of a word or phrase and creating a new language game. For example, the homonym of "three squirrels are necessary for food" is "scattered squirrels, which must be remembered by donkey friends", in which "three squirrels" became "scattered squirrels" and "necessary for food" became "necessary for donkey friends".

This language game is often used in network culture, which can increase the interest and attraction of words. In addition, Kaihong homophonic postscript can also be used to create advertising slogans, brand names and so on. To increase their memory and recognition ability.

For example, the homophonic phrase of Coca-Cola, a famous beverage brand, is "Taking Coca-Cola orally makes you happier", in which "Coca-Cola" has become "Taking Coca-Cola orally" and the slogan "Being happier after drinking" has been added, which is more vivid and interesting.