Top Definition
momentum caused by dementia or perceived dementia.
Artie: You'd have to be crazy to vote for that candidate.
Verne: I know, he's terrible... but for some reason, he's got a lot of dementum.
by sippymccloy July 05, 2007

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×