nine months' notice 

What you serve your landlord with when your upstairs neighbor with the loud kid announces that they're pregnant, again.

Friend of tenant: Holy hell; that kid upstairs is loud, hey?
Tenant: That's nothing – they just announced that they're having a second child.
Friend of tenant: Looks like it's time to issue your nine months' notice…

nine months' notice by Steven Luscher September 12, 2007