George- It's call hyperbole:
hy·per·bo·le
hīˈpərbəlē/
noun
noun: hyperbole; plural noun: hyperboles
exaggerated statements or claims not meant to be taken literally.
hy·per·bo·le
hīˈpərbəlē/
noun
noun: hyperbole; plural noun: hyperboles
exaggerated statements or claims not meant to be taken literally.