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
Dionysius	-	Ancient Greek (Latinized), Biblical
Dionisio	dyo-NEE-syo (Spanish), dyo-NEE-zyo (Italian)	Spanish, Italian
Gurmeet	-	Indian (Sikh)
ÇElİK	-	Turkish
Solange	so-LAWNZH	French
Laurelle	LAWR-əl	English (Rare)