n.
1) to click one's ~
2) built-up; high; low ~
3) to be at, on smb.'s ~ ('to follow smb. closely')
4) ( misc. ) to cool one's ~ ('to be kept waiting'); down at the ~ ('shabby'); to kick up one's ~ ('to be very lively'); to show one's ~ ('to flee'); to take to one's ~ ('to flee'); hard on smb.'s ~ ('close to smb.')