Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
1. Lit. completely wet. I fell in and got all wet.
2. Fig. mistaken; wrongheaded; on the wrong track. That's not the correct answer, John. You're all wet. If you think that prices will come down, you're all wet.
completely wrong Anyone who talks about reducing taxes now is all wet.
Completely wrong, mistaken, as in If you think you can beat the system and win at roulette, you're all wet. The original allusion in this expression is unclear, that is, how moisture or dampness is related to wrongness. [Slang; first half of 1900s]
mod. completely wrong. Wrong! Wrong! You’re all wet!