running off
phrasal verbUK /ˈrʌnɪŋ ɒf/
US /ˈrʌnɪŋ ɔːf/
Leaving a place quickly by running.
The kids were running off to catch the bus.
OTHER MEANINGS
2. Printing extra copies of something.
We are running off fifty flyers for the school fair.
3. Making liquid flow out of something.
The rain is running off the roof into the gutter.
4. Talking on and on about something.
She kept running off about her new puppy.