the act of throwing a coin in the air to decide something, especially who will do something first in a game:
The toss of a coin decided who would go first.
win/lose the toss
Malory won the toss and will serve.
a sudden backwards movement of your head, so that your hair moves, often showing anger:
'I'll see,' the nurse said, with an officious toss of her head.
a gentle throw
4 British English spoken
to not care about something at all:
I really couldn't give a toss what Sam thinks.