What is a harsh term for the euphemism thickly or big boned person?

A harsh term for someone who is described as "thick" or "big-boned" is "overweight" or "obese." These terms carry negative connotations and can be considered derogatory when used to label individuals. It's important to approach discussions about body weight and size with sensitivity and respect, as such terms can impact a person's self-esteem and mental health.