Have a very hard sex and making loud noises

Going insane.

Expensive prostitute that hangs out in nice hotels

A bed that makes loud noises from any movement, usually related to when sexual activities take place.

When a friend or close colleague poops in the cot and then exits, forcing the following group of friends (usually 3 max per group) to sleep in the warm poo filled cot-sequences of their actions.

a cuddling session that takes place in a dirty motel bed where prostitutes may have fornicated

That sort of secret space under the bed where a girl keeps her dildos.