5 x 5

On track, on course, going where you want to; it also refers to the central point in a targeting scope - five over and five up.

We're on course, 5 x 5.

I've got him in my sights, 5 x 5.
Take him out.

by J Fieth February 23, 2008

4 x 4

Someone who has lots of drive to get something done. Equivalent to a human SUV.

He's on his third film project this year. That guy is 4 x 4.

by J Fieth February 23, 2008