laugh out loud are u mad. This is said while draping other kids/noobs in games such as TF2, counter strike 1.6, counter strike source, Promod etc. Must be said with both the exclamation mark and the question mark. When saying in real life you must sound like you are asking a question while sound excited to increase the effect of the word.
Fahim: Honestly josh is hack... what hacker i walk cat and he headshots me through the wall from lower B.