lit. for fishermen to move on land and drink well water, meaning one who can survive stress-free and well-off without working; go into early retirement
Definitions (粵典–words.hk)
語句、黃賭毒
指妓女從良，唔再賣身；本意應該係指水上人上岸上生活，後來變成唔再做一啲嘢嘅意思 to stop working as a prostitute, to retire from prostitution; literally: to go to the roadside and drink well water