I just got this weird spam letter that wasn't even advertising anything. I thought the contents of the spam were interesting, though, almost like a stream-of-consciousness writing from an overloaded engineer.
Now or never. Possible Interpretation: Refers to doing two things at once, or multi-tasking. If you can't take the heat, get out of the kitchen. Alternative: Who will act as gatekeeper to the gatekeepers? All hat and no cattle.