english
1
general::
Phrase(s): It’s about time! Inf. It is almost too late!; I’ve been waiting a long time! (Said with impatience.) • So you finally got here! It’s about time! • They finally paid me my money. It’s about time!
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Also, it's high time. See ABOUT TIME; HIGH TIME.
American Heritage Idioms