The Collaborative International Dictionary
Spick and span
Spick \Spick\, n. [Cf. Sw. spik. See Spike a nail.] A spike or nail. [Prov. Eng.]
Spick and span, quite new; that is, as new as a spike or
nail just made and a chip just split; brand-new; as, a
spick and span novelty. See Span-new.
--Howell.
Wiktionary
spick and span
a. (context idiomatic English) (alternative form of spick-and-span English)