The BBC subtitles machine took a brave run at Man United's line-up in February, but came unstuck when it got to Adnan Januzaj: "Rooney, Juan Mata, Janet jazz jazz jam…" And a few months later, as Wales lock Jake Ball prepared to take on Australia, the BBC website listed him as "Jake Ballsack".
Bryant came unstuck in the high jump yesterday and was well out of medal contention but nevertheless posted a outdoor personal best in the pole vault and a season's best in the javelin as he finished 15th overall.
Dozens of delegates and members of the exclusive club were stranded on the street until 11.15AM when a contingent of three Metropolitan police vans arrived and the protesters unstuck themselves and left the building.
They reached play-offs for the 2010 World Cup and the subsequent European Championship, only to come unstuck against Portugal both times.
At 87 the elder Mr Kamprad would find it difficult to return to the helm if IKEA comes unstuck.
But although they share some platforms and parts, the two have largely remained separate businesses.Alliances are typically complicated and can come unstuck when the benefits to both sides become unclear, says Andrew Bergbaum, a consultant at AlixPartners.
Ahold of the Netherlands, for example, has come spectacularly unstuck after a three-year buying spree, and Carrefour is still licking its wounds after difficulties in integrating Promodes, which it bought in 1999.
The big danger, as before, will be arrogance and sleaze: the Dzurinda government came unstuck because it seemed more interested in economic theories and pandering to businesss than in treating people fairly and cleanly.
One of the latest big ideas to come unstuck is the "life sciences" company, with divisions specialising in agriculture, pharmaceuticals and nutrition all under one roof.
A more important stay on Mr Rafsanjani's ambitions, say associates, is that he has not received the go-ahead from his old friend and rival, the supreme leader, Ayatollah Ali Khamenei.Without Mr Khamenei's unofficial endorsement, Mr Rafsanjani's campaign might come unstuck.
But none rivals the BBC's reputation.Snog, marry, who cares?Yet Lord Hall's mission, to improve the BBC but not much change it, could come unstuck.
