Read the dictionary definition of zip. All definitions for this word.
1. a fastener for locking together two toothed edges by means of a sliding tab
2. forceful exertion
1. he plays tennis with great energy
2. he's full of zip
3. a code of letters and digits added to a postal address to aid in the sorting of mail
4. a quantity of no importance
1. it looked like nothing I had ever seen before
2. reduced to nil all the work we had done
3. we racked up a pathetic goose egg
4. it was all for naught
5. I didn't hear zilch about it
5. close with a zipper
1. Zip up your jacket--it's cold
6. move very fast
1. The runner zipped past us at breakneck speed