Sentence:  A very pretty little dudine of Fifth Avenue is much admired by the <WSD>dudes</WSD> in her neighborhood, and it has been observed on several occasions that she appeared to be able to discriminate between them, and not only shows a preference for one <WSD>dude</WSD> over another; but is able to recognize the <WSD>dudes</WSD> she likes after an interval of separation. It is said, also, that in accepting the attentions of her <WSD>dude</WSD> wooers, she shows a peculiar mimicry of the coquettish manners of human girls. 
Meaning of the word marked with <WSD> tags:  A man, generally a younger man.