The term 'FULL OF CALORIES' can be described by two crossword solutions: RICH (4 letters) and FATTENING (9 letters). RICH is an adjective that describes something having a great deal of money, goods, or resources. FATTENING is an adjective that describes something that is likely to cause weight gain due to its high calorie content. Therefore, the term 'FULL OF CALORIES' can be used to describe food or drinks that are high in calories and likely to cause weight gain.