Deletion of Save the date

Comment: With good secondary sources it would pass the GNG, but I didn't find any. Even though its usage in American English is evident, I don't think it qualifies as per  and . If this idiom lasts, I expect that a more appropriate article title would be ''save-the-date notice'' rather than an imperative sentence
Stance: delete
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:NEO||WP:WORDISSUBJECT)

Comment: Just a  and this is hardly an idiomatic expression that might need explaining so it's not even suitable for the Wiktionary. If the topic is actually trying to be "save the date" card, that probably fails . The most I could find about it is stuff at the level of definition with some advice how to make these which wouldn't be suitable per , e.g. http://books.google.com/books?id=6vCig7UZjy0C&pg=PT26http://books.google.com/books?id=ZluuC-ijy9gC&pg=PA37. A paragraph at wedding invitation should suffice for the concept of this "pre-invitation
Stance: delete
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:DICTDEF||WP:GNG||WP:NOTHOWTO)