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.

by Locus0mega March 29, 2011

Poop Dementia

a type of dementia that occurs when one holds a poop in for too long and develops a very shitty attitude

Bus Driver- "everyone shit out your Taco Bell now we have an 8 hour bus ride ahead of us and i dont want anyone developing poop dementia on my bus"

by Mr.Ham November 25, 2010

blackberry dementia

When you check your Blackberry constantly because you swear the "Notification" light was flashing, only to learn that it wasn't.

Jake: Damn, why are you always checking your Blackberry at work?

Derek: I don't know. Sometimes, I swear the light is flashing. But most times, it is not. I definitely have Blackberry dementia.

Jake: Why don't you just wait and see if the light flashes again?

Derek: Why? Fuck you! That's why.

by Still Stan March 9, 2009

Post-Nut Dementia

The inability to remember what porn or R18 content you busted to for the next 1-4 hours.

oh no, the post-nut dementia is setting in

by ReproductiveRod June 4, 2022

Crush Dementia

The condition of having such a huge crush on someone that you completely forget how to do the simplest things.

Boy: You know we could have just used a different IM client to keep our private chats seperate from our work chats?
Girl: Jeez, we could have thought of that such a long time ago!
Boy: Don't worry, we have crush dementia, it's understandable.

by PiMPeRJ November 4, 2008

Fecal Dementia

A loss of cognitive capacities which is both pervasive and unexpected. Usually only lasts one day.

I am afraid I've developed fecal dementia. I can't remember shit today!

by Topiltzin May 20, 2011

erectile dementia

1. For an unexplainable popage of a boner when looking at guys, after having an untarnished heterosexual reputation.

2. An excuse to cover up your gayness

Steve and Carl are about to get into the shower after a workout.

Steve: I really blasted my quads today man.

Carl: Those are nice....really nice.

Steve: Hey do you have a boner right now?!

Carl:(turning around) No! I have uh...erectile dementia.

Steve: Sure faggot

by Pearljammers August 8, 2009