Chair
From Voyeurweb's Wiki about Sex
A chair is a comfortable place for you to rest your ass. Usually accommodates one person, but with two, or more, fun can happen. But as can be seen in the examples, chairs are seldom used for sitting:
A chair is a comfortable place for you to rest your ass. Usually accommodates one person, but with two, or more, fun can happen. But as can be seen in the examples, chairs are seldom used for sitting: