This phrasology is used to describe a situation in which a person is either eating a Maneschwitz cracker or is in a situation where they have forgotten something.
Erin showed up to class one day, but exclaimed "Jewish crackers!" when told to hand in an assignment that she has forgotten.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).