Rappers repping Dave or Buster's name throw down, because brand says it's knocking off half its name in honor of 50% off promo.

"Come Sundays or Thursdays or Mondays, when NFL games are on, we're going to have some great activations in the restaurant that folks will enjoy," says CMO.

Shake Shack has declared game-on with Chick-fil-A by offering its own Chicken Shack Sandwiches for free on Sundays -- and the chicken champ is famously closed on Sundays.

The spot morphs into a montage of surreal cartoon and vintage clips, including a recreation of Munch's "The Scream" with cartoon pizzas.