a brit, a scot, and an irishman congregate at the local pub for a pint. when their order for 3 guinness draughts arive they notice that each of their pints have a fly struggling in the foam. the brit, disgusted calls the barman over to complain and send his pint back. the scot simply plucks the fly from his glass and enjoys a long pull. the irishman, too plucks out his fly, but continues to hold the fly over the glass. curious, the scot inquires: "what are you waiting for, have a drink" the irishman replies- "i will as soon as this little bastard spits back what he's drunk".