I'm eating all your kings and queens,all your sex your diamo

I'm eating all your kings and queens,all your sex your diamonds.是什么意思?
是usher 的black black heart里一句歌词,我始终搞不懂是什么意思:吃了国王和皇后?吃了性和钻石?
可是sex不是梅花啊.....还是sex在这里有其他含义?