Polly Holliday, a character actress who attracted a national following as the brassy Southern waitress Flo on the 1970s sitcom “Alice,” dispatching rude diner customers and her cheapskate boss with the country-fried put-down “Kiss mah grits!,” died Sept. 9 at her home in Manhattan. She was 88. Subscribe for unlimited access to The Post Save on unmatched reporting. Get your first year for $20

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