1. Ready to go, or ready to use. Often used after assembling something, or accessorizing something. (typically a vehicle.)

2. Ready to step out or leave.
1.Dude, I just added a new exhaust to my ride. Now all I need is the intake and it's good to hook!

2. "Just lemme grab my shoes and jacket and I'm good to hook!"
by D. Bost December 10, 2006
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