2gāu gáu 狗 — a pistol (gun 3, 30); a prison officer (prisoners' jargon, OS).
3gāu āp 狗鴨 — to talk nonsense, to "bullshit" (djhn 6, 26).
4gāu bāt léih 狗不理 — of no interest to a dog] a pork and vegetable bun (ad 26.10.2001, E14).
5gāu chaahk 狗賤 — a low-life, a "bastard" (gwdl 55, 21).
6gāu dau 狗竇 — dog home] a messy place, an untidy home, a "pig sty".
7gāu faih 狗吠 — dog bark] to talk nonsense.
8gāu güng 狗公 — the customer of a prostitute, the client of a brothel.
9gāu háu 狗闆 — dog cunt] an obscene insult (jpjfy 1, 55).
10gāu háu jéung bāt chéut jeuhng ngáah 狗口生不出象牙 — dog's mouth cannot produce ivory] to never have anything good to say, to say only unpleasant things (ssj 191, 21).
11gāu jái 狗件 — a gun, a hand-gun (triad jargon, tlwjfy 12, 15).
12gāu jái déui 狗仔隊 — puppy group] surveillance unit (police, intelligence services); the "paparazzi", journalists and photographers who pursue famous personalities in search of sensational news stories (ad 16.8.2000, C2).
13gāu jái sik 狗件式 — a sexual position, to have sex "doggie style" (ycy 5, 46).
14gāu lāp 狗笠 — condom.
15gāu nàahm néuih 狗男女 — an unpleasant couple, a nasty couple, a bad boy and a bad girl (dyi 60, 24).
16gāu ngáahn hon váhn dái 狗眼看人低 — dog eyes look down upon people] to hold in contempt, to despise.
17gāu ngáauh 狗咬 — dog bite] a gun-shot wound (OS).
18gāu ngáauh gāu gwāt 狗咬狗骨 — dog bites dog bone] fighting among members of the same group; fighting between two groups; a serious argument.