A phrase that combines a verb with a preposition or adverb or both and that functions as a verb whose meaning is different from the combined meanings of the individual words
Phrasal Verb:
gobble someone or something up
Meaning:
to eat someone or something completely and rapidly.
Example:
The wolf said that he was going to gobble the little girl up.
Phrasal verbs, also called two-word verbs, are idiomatic expressions wherein the second element of the verb (the adverb or particle) is not necessarily predictable.