The phrase "little zip" means a small amount of energy or liveliness.
Sentences with «little zip»
Compartments: One main compartment, one small zipped compartment and another slightly bigger one without a zip, there is also a secret little zip pocket outside on one side of the bag (texturecharmscolour.de)
Because I make this smoothie so often I'll buy a bunch of bananas, and when they're all ripe, peel them, cut them up, and put them into little zip top bags with a serving of spinach. (megsfood.com)
Might I make a small truckload of this and freeze one - cupfuls into hardy little zip - bags so there's a deep quick supply at home / at hand? (101cookbooks.com)