adjective: Messed-Up, problematic, very difficult
verb: To fuck up, mutate, or twist.
"This Guitar Hero song is so Kerfuckered."
"The whole situation is kerfuckered up."
when your brain is all kerfuzzled and all fucked up at the same time
oh shit my brain is all kerfucked right now
1.)Interjection: used as an exclamation of surprise or disgust.
2.)Adjective: Describes a noun as really cool.
1.)Kerfuck son! That be disgustin'!
2.)Kerfucking sweet Gina!
When kerfuful is too weak it o use and clusterfuck to harsh.
That political discussion was a complete kerfuckal.