Don't be daft Share definition Flag 1. Don't be stupid.2. What you are saying is ridiculous.3. What you believe is ridiculous. — I heard Joanne Lamont will actually be running a positive election campaign this year. — Don't be daft. Don't be daft by R160K April 29, 2014 0 0 Get merch Get the Don't be daft mug. Buy Now — $32.95 See more merch