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general::
Phrase(s): toss something back and forth
1. Lit. [for two or more people] to toss something to each other alternately. • Carol and Kelly tossed the ball back and forth for a few minutes. • We will toss the ball back and forth until we get tired. 2. Fig. to trade remarks, quips, insults, etc. • They tossed insulting remarks back and forth. • Walter and David spent the evening tossing quips back and forth.
McGrawhill's American Idioms And Phrasal Verbs