dashoff
verbUK /ˌdæʃ ˈɒf/
US /ˌdæʃ ˈɔːf/
To write or draw something very quickly.
She dashed off a quick note before leaving for school.
OTHER MEANINGS
2. To leave a place in a big hurry.
He dashed off to catch the bus.
3. To do something very fast without much care.
The artist dashed off a sketch in a minute.
4. To send something quickly.
Please dash off an email to the teacher.