A mixture between on crack and crazy. Prounced crack- see. Can be an adjective or a noun. Isn't always literally on crack. Can be used in a good or a bad way.
Belows is an example of craxism.
1: She said i sexually harrassed her
2: Its spelled harassed.
1: Dude, its harrassed.
2: *links to dictionary.com correct spelling*
1: I don't care i've seen it spelled Harrassed
2: fucking crax.