(verb) to draw a little amount of money from each winning in gambling for tips; to take a rake (slang) to draw advantages from; to take advantage of; (slang) (of female) sexual harassment
Definitions (粵典–words.hk)
動詞
泵水 to draw or pump water
抽水馬桶
抽水马桶
cau1 seoi2 maa5 tung2 flush toilet
動詞
喺交易或者賭博入面抽取利潤 to make a profit by being a middle party of a transaction, usually referring to profits by bookmakers and brokers
嚟我屋企打牌抽水食飯啦！
嚟我屋企打牌抽水食饭啦！
lai4 ngo5 uk1 kei2 daa2 paai4 cau1 seoi2 sik6 faan6 laa1! Come to my home to play mahjong, and use part of the gambling money to buy dinner!
動詞
非禮 to sexually assault or harass another person
我今日喺地鐵俾人抽水呀！
我今日喺地铁俾人抽水呀！
ngo5 gam1 jat6 hai2 dei6 tit3 bei2 jan4 cau1 seoi2 aa3! I was touched up on the MTR today!
動詞
喺討論或者爭辯嘅時候，諷刺其他人或者事 to snipe at another person or issue during a discussion; to make a sly verbal or written attack
動詞
泛指鬼鬼祟祟咁佔取本身唔應該得到嘅好處 to obtain an undeserved benefit by underhand means
Definitions (Wiktionary)
verb, Cantonese, verb-object
to draw some money from each gambling for tips
verb, Cantonese, derogatory, verb-object
to take a cut (of profits, winnings, etc.); to draw advantages from; to take advantage of (syn.) 抽頭, 抽头
verb, verb-object
to shrink in the wash (syn.) 缩水, 縮水
verb, verb-object
to flush; to pump (of water)
verb, Cantonese, verb-object
to sexually harass
verb, Cantonese, verb-object
to make a sly verbal attack at another person during a discussion
The blue house in Wanchai has over seventy years of history, as it has no built-in flush toilet, so it is one of the few old tenement still need to pour the chamber pot during mid-night.