A Head Up Edit Meaning

1. A slang term to tell someone to go away, to "buzz" off. Used in moments of annoyment to tell some to go away and leave them in..

1. A clandestine meeting of Haxors over the Internet. The chat room was full of haxors- today was a major w00tenanny...

1. When playing a game of Halo or Halo 2, you biff (smack them) in the back with the flag, killing them on contact. You assassinated New00..