Penile Dementia 

The phenomenon whereby your penis will urinate anywhere but where you're aiming.

Possible causes are sex, sitting uncomfortably, and having a foreskin.

Jerry: Dave, why is the ceiling wet?!
Dave: Sorry, I had penile dementia.

Penile Dementia by Locus0mega March 29, 2011

Penile Dementia 

A psychological phenomenon that occurs when a male of the human species witnesses a gorgeously endowed female, and procedes to lose the ability to concentrate or focus on anything except her:

1. Tits
2. Ass
3. Legs
4. Tits
5. Face

In the case of Arkansas natives, may produce confusion about the definition of adultery, and lack of ability to use the word "is"

Man 1:Im sorry, what were we talking about? That blond chick that just walked by..

Man 2: With the knockers? Seems like you just had a case of penile dementia, my friend!

Man 1: Yeah, good thing we are at a titty bar. Lapdances are on me!

Penile Dementia by Me February 26, 2003

penile dementia 

Penile dementia is the state of becoming so senile that you forget it is not socially acceptable to grab the asses of strangers.

Sorry about Grandpa. He's suffering from penile dementia.

penile dementia by Gina Cochina July 15, 2010

Penile Dementia 

to be suffering from a priapism, that is a continuous erection of the penis. This ailment is both painful and socially embarrassing.

Trevor was disappointed: he had to miss several West Ham matches because of chronic penile dementia.

Penile Dementia by Dunky Oggins November 15, 2003

Penile Dementia 

You forget to do your flys up on your trousers.

I saw Peter on his way back from the toilet, he appears to have a bout of penile dementia. I can see his boxers!

Penile Dementia by Sazzy J December 17, 2015

Penile Dementia 

The inability of an older man to gain and maintain an erection due to an inability to concentrate on the task at hand

When you can’t stop thinking about the garden when you should be concentrating on you’re wife’s lady garden, you might be suffering from Penile Dementia.

Penile Dementia by David99uk December 13, 2017