自打嘴巴
zi6 daa2 zeoi2 baa1zì dǎ zuǐ ba
English
- literally: to slap one's own face; to contradict oneself
- to contradict oneself while speaking
粵語 — Cantonese
- 作出自相矛盾嘅言論
Examples
佢講嘢成日自打嘴巴。
He's always contradicting himself.
Sources: cc-canto, rime-cantonese, words.hk