吹水 (chui sui), v. Cantonese slang. To chat, bullshit.
PUBLISHED : Thursday, 18 February, 2016, 10:37am
UPDATED : Wednesday, 19 October, 2016, 4:57pm
“Cheat on your partner.”
Someone who engages in an illicit affair and leaves evidence of their misdeeds is said to 偷食唔抹嘴 (tau1 sik6 m4 maat3 zeoi2), “steal food and not wipe your mouth.”