An Englishman, a Scottsman, and an Irishman sit down at a bar and they each order a pint of Guiness. At the exact same moment, a fly lands in each of the three drinks.
The Englishman turns up his nose and pushes his drink away. The Scottsman picks the fly out of his beer and proceeds to drink it. The Irishman grabs the fly by his wings, starts thumping it on the back of its head and shouts, "Spit it out you little bastard!!"