1. noun /tɒs,tɔs,tɑs/
a) A throw, a lob, of a ball etc., with an initial upward direction (often implying a lack of care.)
b) The toss of a coin before a cricket, football etc. match
2. verb /tɒs,tɔs,tɑs/
a) To throw with an initial upward direction.
Toss it over here!
b) To flip a coin, to decide a point of contention.
Ill toss you for it.
Wikipedia foundation.