An English man , a Scotsman and an Irishman want to go to the Olympic games but don't have tickets. As they are walking to the venue they pass a building site.
The Englishman spots a scaffolding pole picks it up and goes to entrance , He says George pole vault and they let him in. The Scotsman sees a grating and says Jimmy discus, the Irishman sees a roll of barbed wire and says Shemaus, fencing