You’ve Been Bageled https://mosaicmagazine.com/picks/uncategorized/2013/10/youve-been-bageled/

October 29, 2013 | Philologos
About the author: Philologos, the renowned Jewish-language columnist, appears twice a month in Mosaic. Questions for him may be sent to his email address by clicking here.

The origins of the verb “to bagel,” meaning to ascertain the Jewishness of others or subtly to publicize one’s own, are mysterious no longer.

Read more on Forward: http://forward.com/articles/186101/the-great-bageling-mystery-has-been-solved/