Answer:
It's an overstatement
Step-by-step explanation:
To overstate simply means to state something too strongly; in other words, to exaggerate.
In literature, overstatement are used as a technique to bring humor, and to lay emphasis on a certain point.
The following statement can be categorised as overstatements
"We were so wealthy that all poor people in the country relocated to our house to get their daily meals."
As illustrated above, the narrator described their wealth in a way that makes them seem more wealthier than they really are.