prehalo 

the game before halo, the game that would describe why Masterchief is in the position he is in halo and/or what happened to all other spartans and/or why and how the war against the covenant started.

unknown if it will ever exist.

Dude if prehalo ever comes out then i will soooo have a nerdgasm.

prehalo by chance k. October 14, 2007

Prealous 

When one woman consciously or subconsciously becomes jealous of another woman's pregnancy.

"She probably won't have to attend the training tomorrow because of another "Doctor's appointment" for her pregnancy. "I'm so prealous of her."

Prealous by Electric Wheelchair November 16, 2012