What did the license plate of the creepers truck read in jeepers creepers?

Answer 1

The Creeper drives an old truck with a license plate that reads BEATNGU, which is first interpreted as "beating you," but later read as "be eating you"

Answer 2

The plate read BEATNGU. Derry mis-reads it as "Beating You", what it really means is "Be Eating You".

Answer 3

BEATNGU