spick and span
Concise Oxford English Dictionary © 2008 Oxford University Press:
spick and span /spɪk(ə)ndˈspan/ (also spic and span)
▶adjective neat, clean, and well looked after.
– origin C16 (in the sense ‘brand new’): from spick and span new, emphatic extension of dial. span new, from ON spán-nýr, from spánn ‘chip’ + nýr ‘new’; spick influenced by Du. spiksplinternieuw, lit. ‘splinter new’.
'spick and span' also found in these Oxford entries:
