indicates a man who depends on his woman for monetary support (lit., "soft rice")

sponge off from a woman (spoken)

a man who lives off a woman (lit., "soft rice king")

a ponce; a man who is supported by a woman (lit., "eat soft rice")

describes the situation where a man who doesn't work hard in life takes the easy way out by solely relying on a woman to survive (especially in the financial aspect); literally 'to eat soft rice'