time flies(redirected from How time flies!)
time flies (when you're having fun)
Fig. time passes very quickly. (From the Latin tempus fugit.) I didn't really think it was so late when the party ended. Doesn't time fly? Time simply flew while the old friends exchanged news.
Time passes quickly, as in It's midnight already? Time flies when you're having fun, or I guess it's ten years since I last saw you-how time flies. This idiom was first recorded about 1800 but Shakespeare used a similar phrase, "the swiftest hours, as they flew," as did Alexander Pope, "swift fly the years."