English
Noun
fat cat (plural fat cats)
-  (slang) A rich person who contributes to a political campaign.
 
-  (slang) Any affluent person who is perceived to have profited from the labour of others.
 
-  Used other than as an idiom: see fat, cat.
 
Translations
rich person who contributes to a political campaign
 
affluent person who is perceived to have profited from the labour of others