do up (2)
Meaning: If you do up a zip, a button, or a shoelace, you secure it in some way.Synonym: fasten
- do up sth Don't forget to do up your fly after you go to the toilet.
- do sth up Do you think I should do these shirt buttons up, or leave them undone?
do up (2): fly, zip, zipper, buttons, shoelaces, bag, dress, tent
Before you go out, make sure you do up