when a person of Jewish heritage gets an oddly familiar feeling that his or her cleverness in financial matters is meeting with envy & resentment, or that, for reasons of religious differences, antisemitism is afoot
When that loser referred to the city as Jew York, he struck a déjà Jew cord with people of every race and religion.
The act of already having done something related to a Jewish person (seeing, meeting etc) when someone mentions it.
-"Hey, have you heard? Abraham's back from holiday!"
-"Yeah man, deja Jew, i saw him earlier"
When one is a serial offender in dating jewish girls
has a bad case of dejajew with Anna
e.g. Savas is at shabat again with Cara... I think he's got dejajew
the strange feeling you bought these shoes before
my wife had de ja jew while shopping at the mall the other day