Ninjawords

°A subsidiary entrance to a building or house at its rear, normally away from the street.

°A secret means of access to something.

°(US baseball) The path of a pitch which starts outside and then slides over the plate.

°To attempt to accomplish by indirect means, especially when direct means are proscribed.

°To enter a tube by accelerating from behind; to surf into an already formed hollow wave, in contrast to the normal method of slowing to allow a surfable wave to form.