An Englishman, an Irishman and a Scotsman all walk into a filthy pub together and each order a Guinness. A fly lands in the foam of everyone's beer.
The Englishman demands a fresh one, the Irishman nonchalantly blows the foam off along with the fly and chugs it.
The Scotsman picks up the fly by a wing and says, "Spit it ooot, ya wee bastard!"
(Clan MacGregor here...
)