A commonly used phrase in North America that seems to be catching on like a craze in European nations. It means, in its most basic form, to have fun, or start up an activity that leads to fun or enjoyment.
"Hey josh, you ready to Jam with the Six (when preparing to play Soldier of Fortune 2 online)?"
1. Pretard (noun) Any individual whose normal intelligence ratio appears to be dropping at an advanced rate.
2. Pretarded (adj) A descriptive word meaning to exhibit the natures and evidences of one classified as a pretard.