http://www.xomba.com/files/images/sugardaddy2.preview.jpg1 Moneybags 直译钱袋，意译大款（男女均可）(used with a sing. verb) A rich, often extravagant person. （非正式用语）

2 Sugar daddy 俚语 A wealthy, usually older man who gives expensive gifts to someone much younger in return for companionship or sexual favors. For example, The aspiring young actress and the sugar daddy are a classic combination in Hollywood. The sugar in this term alludes to the sweetening role of the gifts, and daddy to the age difference between the pair. [Early 1900s] （养小情人的款爷）http://www.answers.com/topic/sugar-daddy

3 Sugar mommy /sugar mummy 俚语 养小情人的富婆

4 Rich man 有钱人，大款，款爷（简单，中性词）Rich woman 富婆，款姐