A type of fiction where it is believed that the author must be on crack to have written such a story because it's so bizarre or off the wall
Often, a facial expression after reading one of these crackfics is 'O.O' or 'O.o'
"I just read a crackfic where Chuck Norris dreams he's Luke Skywalker than becomes a stripper to make more money for his kid"
A type of fanfiction (or original fiction) that is intentionally unbelievable and insane; often humorous. Usually short, one-shot stoires.
"Sarah's new crackfic is fuckin' hilarious, you should go read it!"