mǎn​zuǐ

spouting

满嘴 (滿嘴) mǎn​zuǐ
spouting adjective
speaking exclusively with certain types of language, words, or content such as lies or jargon

He is full of lies and cannot be trusted.

mouthful adjective
having the mouth completely full of a physical substance

His mouth was so full of food that he couldn't speak.

Frequency

Movie subtitles
5.16 per million appears in 3% of films
Written text
1.92 per million

Sources

Definitions
CC-CEDICT