Friends & Family Plan
When your sister/brother in law is not being sexually satisfied by their spouse or significant other and want to hook up with you and keep it undercover & within the family.
John: My sister in law told me she is starving for some dick. Said Bill doesn’t do it for her anymore.
Joe: Sounds like she is trying to get on the friends & family plan with you.
Joe: Sounds like she is trying to get on the friends & family plan with you.