Lash is usually used in reference to a whip.Lash or lashing may also refer to: An eyelash Rapid and prolonged consumption of alcoholic beverages, such as White Lightining (Example: "Let's go on the lash"; "I got incredibly lashed last night") Lash , an all-female alternative/punk rock band from Perth, Australia Lash, a mechanical genius and the head weapons designer in Advance Wars 2 and Advance Wars: Dual Strike Lash , a place in Afghanistan