the Irish

Paddy was walking through a field and sees a man drinking from a pool with his hand, Paddy shouts  
"Na ol an t-uisce, ta se ian do ca bo!" 
(Don’t drink the water, it’s full of cowshit).

The man shouts back "I’m English! Speak English, I don’t understand you." Paddy shouts back "Use both hands, you’ll get more in!"