typrofanity 

An intentionally mistyped word used instead of the actual profane word or phrase. This is usually done to avoid filters in chat sessions.

I found out that I can use a typrofanity like "fcuk" and the chat room doesn't block it.

typrofanity by Rob Carbone January 12, 2009

Typefanity 

profanity that is typed out on social networking sites or in instant messaging, which causes its emphasis or threat power to be substantially decreased

guy 1- "dude, stfu"

guy 2- "yeah, wat r u goin to do about it? that's just weak typefanity."

Typefanity by typefanition August 23, 2008