話口袋

Simplified: 话口袋

huàkǒudai ㄏㄨㄚˋ ㄎㄡˇ ˙ㄉㄞ

    • chatterbox
    • person who talks a great deal

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
talk sack
Meaning
The book gives it as a variant of 话篓子: a person who talks a great deal. Mildly teasing.

Sources