Sentence:  O dapper, rare, complete, sweet <WSD>nitty</WSD> youth! / Jesu Maria! How his clothes appear / Cross'd and recross'd with lace, sure for some fear / Lest that some spirit with a tippet mace / Should with a ghastly show affright his face. 
Meaning of the word marked with <WSD> tags:  Shining; elegant, spruce.