ArtistArtist, your drawing Cai sucks.
A memetic pun closely associated with infamous celebrity Cai Xukun.
菜 (lit. vegetable) is a popular adjective for any activity that lacks skill; "suck" is a very accurate translation. Its pronunciation is the same as Cai's last name. In other word, Cai Xukun = suck. and "You do XX just like Cai Xukun（你XX像蔡徐坤）"="Your XX really sucks"
