While a brilliant monster reveal in a film (e.g. Alien, Jaws, The Thing) is normally referred to as the "money shot", a bad monster reveal is referred to as a "coupon shot". Coined by RedLetterMedia in their reviews of the films Biohazard and Carnosaur 2.
"I thought we were gonna get a great reveal of the monster, but instead we get another awkward coupon shot of the alien just standing there next to a guy in the back of a truck" - Rich Evans
Steve won misspelled this word in the spelling bee back in 3rd grade. He spelled C-O-U-P-O-N and while waiting for the principal to tell him he was correct he blurted out "D!" Steve is a dumbass. But you should still vote for him.