Mountain Frost is a sad replacement to Mountain Dew. Mountain Frost is the same thing but with less taste, I wouldn't recommend it.
Person 1: Hey want a Mountain Frost?
Person 2: What the fucks Mountain Frost?
Person 1: It's Mountain Dew, just cheaper.
Person 2: Sure I love Mountain Dew!
*Person 2 sips Mountain Frost*
Person 2: THIS TASTE LIKE SHIT!
Person 1: yeah but its $3 cheaper.
Person 2: I'M A CHARGING MY LAZERS!!!!
*PERSON 2 SHOOTS LAZERS!!!!*
Person 2: AHHHHHHHHHHHHHHHHHHH