to create shading for graphics in tattoo, to make the tattoo look lively
Definitions (粵典–words.hk)
動詞
放啲嘢喺露天嘅地方過夜，俾露水整濕；又叫「打霧水」 to place something outdoors overnight, the early morning dew will wet the thing; literally: to hit fog water
喺外面瞓怕打霧。
喺外面瞓怕打雾。
hai2 ngoi6 min6 fan3 paa3 daa2 mou6. to sleep outdoors you have to beware of the morning dew will get you wet.
阿媽話細路仔衫唔好打霧水，啲衫沾咗濕氣細路仔再著就好易病，應該朝早晾衫，入夜前就收。
阿妈话细路仔衫唔好打雾水，啲衫沾咗湿气细路仔再著就好易病，应该朝早晾衫，入夜前就收。
My mum said children's clothes shouldn't be hanged overnight and let it wet by dew, the moist would cause sickness to them, the clothes should be hanged up in the morning, and collect before evening.
My mum said children's clothes shouldn't be hanged overnight and let it wet by dew, the moist would cause sickness to them, the clothes should be hanged up in the morning, and collect before evening.