满嘴跑火车

Traditional (Taiwan): 滿嘴跑火車

mǎnzuǐpǎohuǒchē ㄇㄢˇ ㄗㄨㄟˇ ㄆㄠˇ ㄏㄨㄛˇ ㄔㄜ

    • to have a glib tongue

      idiom

    • to talk big

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
a mouth full of running trains
Meaning
To talk wildly and exaggerate with no regard for facts. Critical or teasing; like 'talking nonsense' or 'full of hot air'.

Sources