打daa2龍lung4通tung1

English

1. to gang up together to trick
2. to collaborate in a scheme; to conspire
3. set someone up [colloquial]

粵語 — Cantonese

1. 串謀做壞事

Examples

• 佢兩個打同通，周圍呃人錢。

  They conspired to cheat others out of their money.

• 班友奸到死，幾個人一路打牌一路係咁打聾通，分明呃錢。

  Those guys are so crooked. They kept giving each other secret signals while playing mahjong. It's pretty clear they were trying to cheat others out of their money.