throw back vs toss back

throw back and toss back both are verbs.

Word	Noun	Adjective	Verb	Adverb
throw back	No	No	Yes	No
toss back	No	No	Yes	No

As verbs, throw back and toss back are synonyms defined as:

throw back (verb)	toss back (verb)
throw back with a quick, light motion	throw back with a quick, light motion