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
Lettie	['leti]
Branca	BRAN-ka (Galician)	Portuguese, Galician
Oleksander	-	Ukrainian
ZdzisŁAw	ZJEE-swahf	Polish
Tryggvi	-	Icelandic, Ancient Scandinavian
Libby	['libi]