eff off loop
n.— «A recorded message announced “Thank you for calling the European Commission in London. For assistance, please press ‘1’ on your telephone keypad now.” This led to a new message: “Extension 1 is invalid. You may now enter another extension or press ‘zero’ for assistance.” Pressing zero led neatly back to where we started.…This device, increasingly popular with certain corporate bodies, is known in the vernacular as the “eff off loop.”» —“Getting through to the EU” by Christopher Brooker Telegraph (U.K.) Sept. 4, 2005. (source: Double-Tongued Dictionary)