You are sharp as a wet sack of marbles 

Lacking the basic intelect of being able to breathe.

You are sharp as a wet sack of marbles.

You are sharp as a wet sack of marbles by John Joe September 20, 2012

better than a slap in the belly with a wet fish

better than it could be

Complainer: This movie/pizza/vacation sucks!

Responder: It's better than a slap in the belly with a wet fish!

better than a slap in the belly with a wet fish by mom743 December 4, 2010

wetter than a wet hen 

The action of sweating profusely to the point where you’re dripping more than a wet hen

She was wetter than a wet hen, till the cows come home.

wetter than a wet hen by CheVelle 50 December 13, 2021

I have a wet dream

Progressive plan to move the world forward from leaning towards the anarchy extreme of the liberty spectrum to the tyranny extreme of the spectrum to mould the world closer to the heart's desired order: more democracy, freedom of agreement,

I have a wet dream: reorganizing the world so everyone is made to be perfectly equal, think correctly, and tolerate everything.

I have a wet dream by ever Be Sure January 23, 2013

You could ruin a wet dream 

Ruining something good by adding an unnecessary comment.

Dude, you could ruin a wet dream.

You could ruin a wet dream by Skirt June 27, 2022

interesting as a wet sponge 

Extremely boring.

Joe: Yesterday I took a nap. Then I couldn't sleep that night.
Lissy: Wow Joe, you're about as interesting as a wet sponge.

interesting as a wet sponge by Lonesome Cowgirl April 23, 2011

beat in the butt with a wet squirrel

euphemism for exhausted, tired on every level, as beaten down as one can be. Origin: Dobbins Family saying created by Hale Dobbins, deceased, of Arkansas

as in "I'm so tired I feel like I've been beat in the butt with a wet squirrel."

beat in the butt with a wet squirrel by H. Hendrix Dobbins November 14, 2013