There are 3 construction workers, an Italian, a black, and a polish guy.

all 3 of them are currently working on a new skyscraper on the 83rd floor, and eat lunch together with a group of other guys on the 82nd floor.

Everyday they get the same things for lunch from their wives.

one day the Italian opens his lunch and finds a meatball sandwich and says, "if i get meatballs one more time i'm gunna jump off this building".

Then the black guy opened his lunch and found chicken and said, "if i get chicken one more time im gunna jump off this building".

Then the polish guy opens his lunch and finds sausage and says, "if i get sausage one more time im gunna jump off this building".

The next day all 3 men open their lunches and find the same exact stuff so they jump. A fellow construction worker who overheard the reason why they jumped told the wives.

the italian woman then replied, "if only i knew, i wouldn't have given him meatbal