flip a coin

Translations
подбросить монету
Let's flip a coin to decide who goes first.
Давай подбросим монету, чтобы решить, кто пойдет первым.
Definitions
To flip a coin means to toss a coin into the air and let it fall to the ground, typically to make a decision or determine an outcome based on which side of the coin lands face up, usually 'heads' or 'tails'.
Words
coin

noun
монета
flip

verb
перевернуть