My doctor used the word obese
Grzmil P, Boinska D, Kleene KC, Adham I, Schlter G, Kmper M, Buyandelger B, Meinhardt A, Wolf S, Engel W (2008) Prm3, the fourth gene in the mouse protamine gene cluster, encodes a conserved acidic protein that affects sperm motility
More specifically, it is intended for individuals with a body mass index (BMI) above 30 kg/m2 (obese) or those with a BMI of 27 kg/m2 or greater (overweight) who have at least one weight-related comorbidity such as hypertension, type 2 diabetes mellitus, or dyslipidemia
The typical recommendation is nothing by mouth except clear liquids up to 2 hours before surgery, but individual protocols may vary based on risk assessment