A pimped out van that has been converted to a mobile shop that sells Merch or Merchandise for teams, clubs or events.
The Cowboys Team Shop's merch van are heading to Far North Queensland for the Cowboys v Broncos trial game and are stopping off along the way to offer the latest apparel.
(noun)
A group of male friends who constantly yell "merch" and refer to themselves as the "merch gang." Common traits of a "merch gang" include obnoxiousness, autistic-like speech, and a never-ending need for having each member's cock in their ass.
George: These idiots are calling themselves the "merch gang" now.