n: a situation in which two people enjoy driving-- or worse, must share driving -- the same car.
girl: "I'm in love with my car."
guy: "Does your husband suspect anything?"
girl: "He loves driving it, too."
guy: "Garage a trois!"
By Annnora
Garage à Trois
age à trois 1: an arrangement in which three people have a sexual relationship while in a garage.
2: a sexual encounter involving three people in a garage.
Megan told her two friends that wanted to have sex in her garage they could only do so if they added her " trois " and made it a garage à trois.