Green’s Dictionary of Slang

surf and turf n.

also surf ’n’ turf, turf and surf
(orig. US)

1. a restaurant specializing in seafood and steak.

[US]Buffalo Metropolitan Telephone Directory (NY 489/4: [advert] Michael’s Hse of Steaks... Superb steakslobsterchickensurf ’n’ turf [OED].

2. a meal of seafood and steak.

[US]C. Hiaasen Skin Tight 189: The friendly flight attendant was carefully cutting Chemo’s surf-and-turf into bite-sized pieces.
[US]E. Little Another Day in Paradise 76: Room service has come and gone, turf and surf all around.
[NZ]McGill Reed Dict. of N.Z. Sl. 204: surf ’n’ turf burger Fish and meat burger.
Buzzfeed 25 July 🌐 The shy, funny drilling contractor who would bring us surf and turf from the nearby steakhouse on slow nights.

3. in attrib. use.

A. Kleinzahler Cutty one Rock (2005) 188: A chain of surf-and-turf establishments in Schenectady.