argue the toss

:  to give reasons for or against something :  reason

:  to contend or disagree in words :  dispute

:  to give evidence of :  indicate

:  to throw with a quick, light, or careless motion or with a sudden jerk

:  to throw up in the air

:  match

:  an act or instance of tossing: such as

:  throw, pitch

:  an abrupt tilting or upward fling