bag of mice 

When a man's pants or bathing suit are so tight, that the fabric surrounds their package, creating the look of a bag of mice.

Hey, check out buddy's bag of mice. No, not him, the guy in the worn out Speedo.

bag of mice by Mike Campbell May 18, 2006

Sharp as a wet bag of mice

Incredibly stupid

That man is as sharp as a wet bag of mice

Sharp as a wet bag of mice by trdoomcat March 17, 2023

dumber than a bag of wet mice 

Something or someone that is profoundly stupid or ridiculous,

Person one: The new Windows 8 operating system is so cool,

what do you think?

Person two: That statement is dumber than a bag of wet

mice,

Windows 8 is dumber than a bag of wet mice,

in fact YOU'RE dumber than a bag of wet mice

for sayin that!

Person one: You got really worked up about that.

Person two: I was just demonstrating what an awesome

phrase that is.

Person one: Well I think that that phrase

is dumber than a bag of wet mice!

dumber than a bag of wet mice by THESWORDMASTER January 7, 2013