Related:

• Your fly might be open (but don't check it just now).
• Your reality check just bounced.
• Dad's favourite advice:"Keep your eyes open and your fly shut.
• Frank: Now you're ready to make pretzels. Open your bag of ingredients.
  .. [does so, to find bugs inside] Urgh. Check for -- millipedes....
• Cut the conversation, just open your mouth.
• Agent: Now, before I give you the check, one more question.
  This place "Moe's" you left just before the accident....
• Q: Know what the difference between your latest project and putting wings on an elephant is?
  A: Who knows? The elephant *might* fly, heh, heh......
• There is a fly on your nose.
• Your cancelled check is your receipt.