When one feels a sudden onset of the need to take a shit - when you know the escape of feces is eminent. (Such as after eating poorly prepared food at say, a Denny's Restraunt)
by ClarenceT September 27, 2003
(den.nes moh.munt) n. A momentary lapse in judgment, wherein a person becomes pompous and pretentious; bombastically overwhelmed by trivial matters.
“Bob was flying off the handle about how the fork is supposed to go next to the spoon. He was definitely having a Dennis Moment.”
by ScoobyDum July 15, 2010