neural flatulence

noun.

1. the tendency to or the condition of doing or saying completely moronic shit. Esp a temporary condition that plagues the sufferer who typically (we hope) behaves rationally and intellegently, but for whatever reason, cannot think clearly and act sanely at the present time.
2. Condition that causes one to be unable to think of a word or coherant thought that is just at the tip of his or her tongue, either leaving the sufferer hanging or making him/her say something incorrect and stupid instead.
synonym: brain fart

girl: What is wrong with me recently? I mailed the butt plug to my sister and the baby gift to the gimp and I think I even voted Republican!!!
guy: I think you're suffering from neural flatulence.