Battlemash
The term used to define a battle between at least two videos from one or multiple sources on a single webpage (a mash-up). A winning video can be selected by users via either a majority vote in the comments section or a dedicated voting mechanism.
Dude A: Sugar Hill Gang's original of Rapper's Delight is infinitely superior to Def Jam's bro, anyone who knows their hip hop agrees.
Dude B: No way bro, show me the battlemash or it never happened.
Dude B: No way bro, show me the battlemash or it never happened.