Nothing is better than a good diner, except a diner meal at a discounted price. Â For the next two weeks, Big Daddy’s is offering 25% off first time online orders. Â Big Daddy’s has locations in Gramercy and the Upper East Side. To get your discount, use the code MSMBIGDADDY at checkout and keep in mind this expires on 3/8. Â The code is only one per user, does not apply to catering and applies to online orders only.