He enjoys using phrases such as "WTF MANNNNNN" ( with much emphasis on the 'ANNNN') and "nah mannnnn".
If you talk to him via online chat client, you may find he horribly mispells the simplest of words and enters letters that do not belong.
i.e. 'pyeavce' ; 'whjat' ; 'siruslvby'
Rick: " Damn, what a drag. I hate playing with people who suck. What's even worse...I was playing with this kid named Viper..he owned me so hard that I doont ever want to play CS again!"
John: "Oh, gee wilikers!"