Couch
A word used to replace words such as "fuck", or "shit", and has multiple uses as saying "back off". Or it is a piece of furniture that is ussually sat on.
Example one
Mom: "Hey Lukas do you chores"
Lukas: "Get off my couch mom"
Example two
Man one: " I fucked your mom"
Man two: "what the couch"
Example three
just use imagination uses are endless
Example four
Man one:"Are you here for the interview?"
Man two: "Yes"
Man three: "Sit down on my couch"