arms dealer noun2 •A person involved in the distribution and sale of weapons, especially when it also involves smuggling. •A media company that licenses its works to various other companies rather than distributing them on its own.Hence, Viacom’s so-called “arms dealer” strategy, which paid off when it sold domestic rights to Comedy Central’s South Park to WarnerMedia’s HBO Max on Oct. 29 in a deal worth up to $500 million. — 2019 formsarms dealers