a sound as of a bullet going through the air, or of the sudden tearing of cloth; a device with two toothed metal or plastic edges fastened together by means of a sliding tab, used for fastening articles of clothing; to open or close a coat, bag etc using a zip
enthusiasm, energy
Cases of word usage
1) to unfasten or open (clothes etc) by pulling a zip (unzip)
2) a sound as of a bullet going through the air, or of the sudden tearing of cloth; a device with two toothed metal or plastic edges fastened together by means of a sliding tab, used for fastening articles of clothing; to open or close a coat, bag etc using a zip (zip)