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
Hyeon	hyun	Korean
Sandra	SAHN-drah (Italian, Dutch, Finnish), SAN-drə (English), ZAHN-drah (German)	Italian, English, French, Spanish, Portuguese, German, Dutch, Swedish, Norwegian, Danish, Icelandic,
Ayako	ah-yah-ko	Japanese
Denton	['dentən]
Andras	-	Welsh
Pete	PEET	English