Uneducated way of saying go do whatever you want. Not really used for obvious reasons. Usually used by small children who play WoW and PS3 live and have only two friends.
Annoying Brat: Yo man I totally joined that guild lastnight in Azaroth.
Snotnosed Brat: *Awkward snotty gasp* No way! I need to totally join you like WTF right away!
Even more annoying child: Yea dudes! lets just Waddlescaggle tonight!
Annoying Brat: ... Allright!
Snotnosed Brat: Lets act all BAMF of PS3 live too!!
All three: YEA!!