Literally, it means that the letters are scrawled and the descriptive words are scribbled. It is also often used as a self-deprecating word.
Words describing children's graffiti sticks
Vivid, vivid, lifelike (commendatory term) and fly (derogatory term) lifelike, vivid, lifelike (commendatory term) and fly (derogatory term)
"Graffiti": describes a word that is poorly written or carelessly drawn.
Handwritten graffiti [xn ǐ tú yā]
Letter: Listen and feel free; Letter pen: write at will; Graffiti: The figurative words are poorly written and scribbled casually. Describe scrawled. It is also often used to express modesty.