: I have heard, "Don't get your dauber down" used many times, particularly in connection with athletes who have made some error. It is generally taken to mean, "Don't become depressed" or "don't pout".

What Dauber means?

: one that daubs something: such as. a old-fashioned : an unskillful painter His wrath against this upstart artist who secretly entertained his sister in his studio grew with the minutes.

What's a Dobber in Australia?

noun. Australian slang an informant or traitorSometimes shortened to: dobber.