The parents of your live-in boyfriend/girlfriend.
I am having my sinlaws over for dinner...I hope I make a good impression since I have been shacking up with their son for a few weeks now and they are not down with the fact we are living in sin.
von PunTiff 1. August 2008
Can you define these popular missing words?
The parent of a partner in a romantic and cohabitating but unmarried relationship.
Sadly, John's sin-laws dropped by the house for Jane's birthday.
von Jim Dempsey 28. August 2004