to "take a back seat" is to assume a non-participatory role on an issue or situation.

A parking lot bed not a lot of room but just enough for two people to fuck!

Is a reference to a person who frequently asks "what?". The term originates from people in the back of the car always misinterpreting the message of the people in the front seats. The term is properly used as a noun.

Area of a car where fucking occurs.

part of the car where you go with your bitches

A really, really bad thing, person, situation or experience.

In alpine skiing, being in a position where one's center-of-mass is shifted toward the tails of the skis instead of toward the tips. Results in reduced control, adaptability to changing terrain, and ability to make a full turn.