{v.} To make, do, or finish quickly; especially, to draw, paint, or write hurriedly. * /Ann took out her drawing pad and pencil and dashed off a sketch of the Indians./ * /John can dash off several letters while Mary writes only one./ * /Charles had forgotten to write his English report and dashed it off just before class./
DASH OFF
Meaning of DASH OFF in English
Dictionary of English idioms . Словарь английских идиом. 2012