1zip 
/ˈzɪp/ verb
zips; zipped; zip·ping /ˈzɪp/ verb 1 : to close, open, or connect something with a zipper [+ obj] ▪ I helped him zip his jacket. ▪ She zipped the tent open/closed. [no obj] ▪ The luggage zips open. 2 [+ obj] computers : to reduce the size of (a file) by using special software : compress
▪ This kind of file can be zipped and unzipped easily.
▪ This kind of file can be zipped and unzipped easily.
zip up [phrasal verb] 1 zip (something) up or zip up (something) : to close or connect (something) with a zipper
▪ He zipped up his jacket. 2 zip (someone) up or zip up (someone) : to use a zipper to fasten someone's clothing
▪ Will you zip me up, please? ▪ I zipped her up because she couldn't do it herself.
▪ He zipped up his jacket.
▪ Will you zip me up, please? ▪ I zipped her up because she couldn't do it herself.
zip your lip or zip it
US, informal : to stop talking immediately
▪ Tell your sister to zip her lip! [=shut up] ▪ She angrily told him to zip it.
▪ Tell your sister to zip her lip! [=shut up] ▪ She angrily told him to zip it.
— compare 3zip
