There once lived a tippler named Jake,
Who said one day, "I have headache".
"A hangover, it's not,"
Said the doc, "you've been shot!
There's a bullet in your skull, for Pete's sake!"
"Since you mention it, now I believe,
It was 5years back, on New Year's eve.
A blow to my head,
Had felt like hard lead -
But naught that some pegs couldn't relieve!"
24/8/2010: Reuters: A Polish man living in Germany went about his business for about five years without noticing he had been shot in the head because he was drunk when it happened. Read about it here