hillbilly speed bump
It is an armadillo, sometimes called hillbilly speed bumps due to the fact that they come out of nowhere and if you were to run over one, it sometimes causes a rocking effect that occurs going over a regular speed bump.
Passenger: ARMADILLIO!
Driver: NO, THATS A HILLBILLY SPEED BUMP!
(Passenger puts seatbelt on)
Driver: NO, THATS A HILLBILLY SPEED BUMP!
(Passenger puts seatbelt on)