Heads or Tails is a chance game with a 50% chance of losing and 50% chance of winning. It is mostly used in betting or used to just have fun. heads or tails HAS to be used in coins or it will not be a 50 50 chance game.

To not be able to choose from two things

When a man of african-american descent, and a caucasian male, both receive substantial erections. They then take turns slapping a female with their penises until they reach an orgasm. They then ejaculate all over the female party and mix semen creating the ultimate biracial cream.

Gay heads or tails; When two gay guys are about to have sex, one says his choice of heads or tails. Heads refers to putting the dick in the other guys ass, also known as tails.

An annoying trick that your best friend likes to pull on you, hoping that you won't realize that both outcomes are in their favor

Sexual position involving male female male

Female lays on her back while giving one male head and is being fucked by the male on the opposite end

The saying "Heads or tails a tossed coin." Is a metaphor for the uncertainties that will come with life.