to agree to a deal; to buy into something [colloquial]
Definitions (粵典–words.hk)
動詞
承諾參與一件事，答允一個協議，確認一項投資，信服於一個道理或人 to get involved, to agree to a deal, to invest in, to buy into
呢個客我落足嘴頭㗎，講足半日先至肯落疊。
呢个客我落足嘴头㗎，讲足半日先至肯落叠。
I've paid full effort to persuade this customer. Finally he agreed the deal after half day of talking.
動詞
中計、受騙、落入圈套或騙局 to be cheated, to fall into a trap, to fall for the trick
氹/ 引 人落疊
氹/ 引 人落叠
yue:氹/ 引 人落疊 to lure someone into a trap
呢啲傳銷講座好鬼洗腦，啲人越聽得多越易落搭。
呢啲传销讲座好鬼洗脑，啲人越听得多越易落搭。
These multi-level marketing forum is so brain-washing: the more the people hear, the higher chance they fall into the trap.
參看
落搭、落踏
Definitions (Wiktionary)
verb, Cantonese, verb-object
to fall into a trap; to buy into
Examples (粵典–words.hk)
Cantonese
呢个客我落足嘴头㗎，讲足半日先至肯落叠。
呢個客我落足嘴頭㗎，講足半日先至肯落疊。
I've paid full effort to persuade this customer. Finally he agreed the deal after half day of talking.