A man is sitting in the pub having a quiet drink when a gremlin comes in and asks for a half. He downs his drink quickly, then runs along the bar, sticks his head in the mans pint and shakes it around. The man is bemused, but continues to drink as the gremlin returns to his seat. The little beastie orders a second and third half and after each one does exactly the same thing. The man finally loses his patience and grabs the gremlin by the scruff of the neck. if you stick your head in my pint one more time, Ill rip your **** off! shouts the angry drinker. Aint got one, says the gremlin. The man looks confused. if you havent got a cock, how do you piss? he asks the gremlin. Like this says the gremlin, and sticks his head in the mans pint, shaking it around.