I had two jokes in a jokebook at my grandparents place that stumped me as a kid. Waiter: How did you find your steak sir? Man: I looked under a mushroom and th

I had two jokes in a jokebook at my grandparents place that stumped me as a kid. Waiter: How did you find your steak sir? Man: I looked under a mushroom and there it was I could only put it down to a terrible, Christmas cracker level pun on "much room". The second was something like "What has three feet but no legs? A yard stick" with a picture of a ruler with three feet on it. I found that utterly perplexing... the joys of living in a metric country with predominantly imported imperial system based media! Both took me probably over a decade to understand.