Related:

• Confucious say: blonde who fly upside down have crack up.
• 336. Confucious say; blonde who fly upside down have crack up.
• Did you hear about the duck who flew upside down? He quacked up.
• A duck walks into a pharmacy waddles up to the prescription counter and rings the bell.
  The pharmacist walks up and asks, "Can I help you?...
• Three mathematicians and a physicist walk into a bar.
  You'd think the second one would have ducked. (Ha, that quack's me up!)...
• A pilot and a blind guy went up in an airplane. Unfortunately, the pilot had a heart attack and died.
  The blind guy radioed, "Mayday, Mayday!" to the tower....
• Hey! Your Trakball is upside down!
• There I was, upside down at 10,000 fee