From crap + -rific, with epenthesis of a vowel.
crapperific (comparative more crapperific, superlative most crapperific)
- (slang, mildly vulgar) Extremely awful.
1998 June 3, BiffFoil [username], “6/2 Random Thoughts”, in alt.sports.baseball.balt-orioles[1] (Usenet):The game then went into extra innings, when Rally Killer Miller brought in the absolutely godawful Norm Charlton, one of the crapperific pitchers in Seattle's pen last year.
1998 October 25, Picard42 [username], “[WWFF]: The World's Worst Fanfic FAQ”, in alt.toys.transformers[2] (Usenet):The Crapperific
World's Worst Fanfic FAQ
2000 March 2, Clopin DeLenuit, “Sacrificing Liberty for Safety. Was: School Shooting Tragedy.”, in alt.fairs.renaissance[3] (Usenet):In the not too distant future, I envision a world not unlike the movie Escape from New York and it's oh-so-crapperific sequel, Escape from L.A.