What does "A wave" mean?

Boyi means Niubi. What this meme wants to express is that the grandson is really awesome.

A Douyin user @happyold lady shared a video of her grandson. It mainly shared her daily life of raising her grandson and her emotions. The jokes that came out of her mouth were very coherent and rhymed.

Popular Internet buzzwords in 2023: I just smile and don’t speak, battle, the happiness of rich people, you can’t imagine, cut leeks, you can never wake up a person pretending to sleep, zha I'm sorry, old man.