Best definition
Xbox 420
The stoner’s Xbox. Slightly more powerful than its 360 counterpart due to the fact that the graphics engine is a

bit more advanced when on weed.

That stoner down the street got an Xbox 420!
Xbox 420: define #2
X-Box 420drugs
1. Getting high and playing your next-gen X-box.

2. Modding your X-Box or X-Box 360 with Marijuana themed art.

Killer weed dude, wanna go play some X-Box 420 brah?