it was probably like austin powers 3.

he gets in the cab...

"Oh, God. Mehi, dont tell him you're Jewish... he might refuse to stop if he knew you were Jewish, you know because he might not like Jews, and if he knew you were Jewish he might get mad, so we'll avoid telling him you're Jewish."

(awkward pause) "HES A JEW!!!!" "JEWWIE JEWWIE JEW!!!"