Adj. Can be said of a boat, part of a boat or the way a boat handles: shipshape, neat, well maintained, fit for purpose, well thought-out, responsive, swift, lively.
Origin: US, east coast, early xxth c.
– What is yar?
– It means…easy to handle, quick to the helm, fast, right. Everything a boat should be, until she develops dry rot.
George Cukor Philadephia Story (1940)
Illust.: still from the same