blow that for a lark

blow that for a lark

slang A phrase used to dismiss something because it seems too taxing. Primarily heard in UK. Well, blow that for a lark! I'll just return the book tomorrow instead of going out in a snowstorm today.
See also: blow, lark, that

blow/sodtaboo ˈthat for a lark

(British English, slang) used by somebody who does not want to do something because it involves too much effort: Sod that for a lark! I’m not doing any more tonight.
A lark is a thing that you do for fun or as a joke.
See also: blow, lark, sod, that