use it whenever you feel like it. or whenever it sounds good. no really strict definition. can be used pretty much anytime, but mostly when up set or saying no. opposite of kijizzle.
person1: Can you come to the atreyu concert?
person2: no i cant.
person1: Blahmafragulus! that sucks.
person2: no i cant.
person1: Blahmafragulus! that sucks.
by herald(the pigeon man) November 20, 2004