Top Definition
Commonly called "spy" or "spinny", its a sail used in sport boats for going faster. This sail is only used going downwind or in reach courses. Great sailors commonly use it as a blanket in windy or stormy days.
errrrrr hoist the spinakker!
we covered ourselves with the spinny during the storm
EASE THE SPIIII!
by Annnoonymous May 01, 2011

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