The Collaborative International Dictionary of English v.0.48:
Nitty \Nit"ty\, a. Full of nits. --B. Jonson. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Nitty \Nit"ty\, a. [L. nitidus. See Nitid.] Shining; elegant; spruce. [Obs.] "O sweet, nitty youth." --Marston. [1913 Webster]