Depends. You bought your groceries there? You paid their price.
You offered extra money to the grocer to sell to you something that was already sold to someone else that had already paid? I would count that as a bribe, and yes, it is a corrupt thing to do.
Epic is literally paying people to go back on their word, or in some jurisdictions, literally commit a crime by not delivering on purpose something that was paid for, in some places that is called interference, in others it is called fraud.
You offered extra money to the grocer to sell to you something that was already sold to someone else that had already paid? I would count that as a bribe, and yes, it is a corrupt thing to do.
Epic is literally paying people to go back on their word, or in some jurisdictions, literally commit a crime by not delivering on purpose something that was paid for, in some places that is called interference, in others it is called fraud.