GBITH3F 

Short for "Get Back In The Halo 3 Forum". Used by members of the Flood whenever someone posts Halo 3 related material in the Flood, which are two forums on bungie.net.

Halo3Idiot: hay guise chek out my stats pls bungie look can i haz recon?

Flood: No, you idiot. GBITH3F.

GBITH3F by Mykester August 21, 2008

GBITH3F 

"Get Back Into The Halo 3 Forum"

A phrase said when people on the Bungie forums post about Halo 3 in the wrong section.

Guy 1: "Do you like the new maps?"

Guy 2: "GBITH3F!"

GBITH3F by DarkGunner93 August 14, 2008