gamallac 

A gamallac is a term used for the great vehicle known as the Pontiac Grand Am.

Son, I don't think you want to line your car up against a gamallac.

gamallac by GamallacFan February 2, 2005

gamallac 

Another name for a pontiac grand am car. Given because the grand am is hood, gangsta, pimp, and just plain hot sauce.

"Playa, you see that gamallac rollin on 20's? That shit was tiiiiiight."

gamallac by Gammylover May 13, 2005