toss off vs dash off

toss off and dash off both are verbs.

Word	Noun	Adjective	Verb	Adverb
toss off	No	No	Yes	No
dash off	No	No	Yes	No

As verbs, toss off and dash off are synonyms defined as:

Other synonyms of toss off include fling off, knock off, scratch off.

toss off (verb)	dash off (verb)
drink down entirely	write down hastily
write quickly	write quickly