fatten up

Found in Anh - Anh (Wordnet)

Definition Verb (transitive) : To cause a person or animal to gain weight, typically by providing more or richer food, often with the intention of preparing them for slaughter or sale. To make something fuller, larger, or more substantial. Verb (intransitive) : To gain weight oneself. Usage As a transitive verb, "fatten up" takes a direct object (the person or animal being fed). It is a separab...