The whistles and catcalls from the customers (cries of " hey, there go the profits! " ..." Mazel tov! " ...and " well, he didn't work here very long..." which invariably seems to follow the breaking of dishware in a public restaurant) confused him.
"Mazel tov" or "mazal tov" (Hebrew/Yiddish: מזל טוב, Hebrew: mazal tov; Yiddish: mazel tov; lit. "good luck") is a Jewish phrase used to express congratulations for a happy and significant occasion or event.