backsell noun 1verb 1forms 3 noun1 •The promotion of a product to end users or retailers in order to create demand earlier in the supply chain, e.g. with wholesalers.Last issue IMD described how Mullard “sold” its AX TV tube to retailers in order to put pressure on setmakers to incorporate it in their products: a classic backsell. — 1984 verb1 •To promote in this manner. formsbacksold · backselling · backsells