dash a note off

and dash a letter off

to write a note or letter quickly and send it off. I have to dash this letter off, then I will be with you. I'll dash off a note to her.

Name	Pronounced	Usage
Darek	-	Polish
Eadweard	-	Anglo-Saxon
Ashton	ASH-tən	English
Thoko	TO-ko	Southern African, Chewa
Denis	['denis]
Domonkos	-	Hungarian