The ability to be a complete PSYCHO derived from having stubby fat lil piggies...

A disease that plagues the nation, exemplified by the typing of words so incorrectly that they imply your fingers are penises. This normally occurs when writing with a keyboard. People affected by this disease tend to misspell even the simplest of words. This disease was discovered by a scientist/pwnologist named DR.JASZSINGH. Unfortunately, there is no known cure for DICKFINGERS.

an insult used when i was so frustrated that i couldn't think of any other insult.

A braggart whose writing is so self-referential and egotistical as to be considered masturbatory. A metaphorical reference indicating that the act of typing out such writing is a self-induced pleasure for the jerkoff doing the writing.