all wet adjective3 •Thoroughly soaked; drenched.When I came home, I found a common-looking person, all wet and muddy. — 1852 •Utterly incorrect; erroneous; uninformed....you're all wet, calling me out on that close play at second base! — 1931 •Deliberately and grotesquely untruthful.They've figured out she's a sort of a kind of Joan of Arc. I think she's all wet, and it burns me up to see such a grand person as Ash Banner fall for that stuff! — 1940