I wrote it in an earlier disucssion - I know many who say כריך, including myself. 20 years ago no one would say it, but in recent years I see it making bold entry into spoken language. I think the penetration vectors are some cafes, and more importatnly care takers in kindergartens and teachers in elementary school. It could be that people start using כריך when their children start go to kindergarten...

what does it mean?